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The 2020 United States redistricting cycle is in progress following the completion of the 2020 United States census. In all fifty states, various bodies are re-drawing state legislative districts. States that are apportioned more than one seat in the
United States House of Representatives The United States House of Representatives is a chamber of the Bicameralism, bicameral United States Congress; it is the lower house, with the U.S. Senate being the upper house. Together, the House and Senate have the authority under Artic ...
are also drawing new districts for that legislative body. The rules for redistricting vary from state to state, but all states draw new legislative and congressional maps either in the state legislature, in
redistricting commission In the United States, a redistricting commission is a body, other than the usual state legislative bodies, established to draw electoral district boundaries. Generally the intent is to avoid gerrymandering, or at least the appearance of gerrym ...
s, or through some combination of the state legislature and a redistricting commission. Though various laws and court decisions have put constraints on redistricting, many redistricting institutions continue to practice
gerrymandering Gerrymandering, ( , originally ) defined in the contexts of Representative democracy, representative electoral systems, is the political manipulation of Boundary delimitation, electoral district boundaries to advantage a Political party, pa ...
, which involves drawing new districts with the intention of giving a political advantage to specific groups. Political parties prepare for redistricting years in advance, and partisan control of redistricting institutions can provide a party with major advantages. Aside from the possibility of mid-decade redistricting, the districts drawn in the 2020 redistricting cycle will remain in effect until the next round of redistricting following the
2030 United States census The 2030 United States census, known as "Census 2030", will be the twenty-fifth United States national census. National Census Day, the reference day used for the census, will be on April 1, 2030. Background As required by the United States Con ...
.


United States House of Representatives


Reapportionment

Article One of the United States Constitution Article One of the Constitution of the United States establishes the legislative branch of the Federal government of the United States, federal government, the United States Congress. Under Article One, Congress is a bicameral legislature consist ...
establishes the
United States House of Representatives The United States House of Representatives is a chamber of the Bicameralism, bicameral United States Congress; it is the lower house, with the U.S. Senate being the upper house. Together, the House and Senate have the authority under Artic ...
apportions representatives to the states based on population, with reapportionment occurring every ten years. The decennial
United States census The United States census (plural censuses or census) is a census that is legally mandated by the Constitution of the United States. It takes place every ten years. The first census after the American Revolution was taken in 1790 United States ce ...
determines the population of each state. Each of the fifty states is guaranteed at least one representative, and the
Huntington–Hill method The Huntington–Hill method, sometimes called method of equal proportions, is a highest averages method for assigning seats in a legislature to political parties or states. Since 1941, this method has been used to apportion the 435 seats in the U ...
is used to assign the remaining 385 seats to states based on the population of each state. Congress has provided for reapportionment every ten years since the enactment of the
Reapportionment Act of 1929 The Reapportionment Act of 1929 (ch. 28, , ), also known as the Permanent Apportionment Act of 1929, is a combined census and apportionment bill enacted on June 18, 1929, that establishes a permanent method for apportioning a constant 435 seats ...
. Since 1913, the U.S. House of Representatives has consisted of 435 members, a number set by
statute A statute is a law or formal written enactment of a legislature. Statutes typically declare, command or prohibit something. Statutes are distinguished from court law and unwritten law (also known as common law) in that they are the expressed wil ...
, though the number of representatives temporarily increased in 1959. Reapportionment also affects
presidential elections A presidential election is the election of any head of state whose official title is President. Elections by country Albania The president of Albania is elected by the Assembly of Albania who are elected by the Albanian public. Chile The ...
, as each state is guaranteed
electoral votes An electoral college is a body whose task is to elect a candidate to a particular office. It is mostly used in the political context for a constitutional body that appoints the head of state or government, and sometimes the upper parliamenta ...
equivalent to the number of representatives and senators representing the state. Prior to the 2022 U.S. House elections, each state apportioned more than one representative drew new congressional districts based on the reapportionment following the 2020 census. Based on the official counts of the 2020 census, California, Illinois, Michigan, New York, Ohio, Pennsylvania, and West Virginia each lost one seat, while Colorado, Florida, Montana, North Carolina, and Oregon each gained one seat, and Texas gained two seats. Though California lost a seat for the first time in its history, the 2020 census continued a broader trend of Northeastern and
Midwestern The Midwestern United States (also referred to as the Midwest, the Heartland or the American Midwest) is one of the four census regions defined by the United States Census Bureau. It occupies the northern central part of the United States. It ...
states losing seats and
Western Western may refer to: Places *Western, Nebraska, a village in the US *Western, New York, a town in the US *Western Creek, Tasmania, a locality in Australia *Western Junction, Tasmania, a locality in Australia *Western world, countries that id ...
and Southern states gaining seats.


Congressional redistricting methods

Each U.S. representative represents one
congressional district Congressional districts, also known as electoral districts in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional body. Countries with congressional districts includ ...
, which encompasses all or part of a single state. Following the apportionment of seats based on the most recent census, every state with more than one congressional district must pass a new redistricting plan before the filing deadlines of the next general election. In most states, the state legislature draws the new districts, but some states have established
redistricting commission In the United States, a redistricting commission is a body, other than the usual state legislative bodies, established to draw electoral district boundaries. Generally the intent is to avoid gerrymandering, or at least the appearance of gerrym ...
s. Arizona, California, Colorado, Idaho, Michigan, and Washington use independent commissions to draw House districts, while Hawaii and New Jersey use "politician commissions" to draw House districts. Alaska, Delaware, North Dakota, South Dakota, Vermont and Wyoming will continue to have only one representative in the House, and so will not have to draw new House districts. In all other states, the legislature draws district lines, although some states have advisory commissions that can play a major role in drawing lines, and other states have backup commissions if the state legislature is unable to draw the lines itself. State
governor A governor is an politician, administrative leader and head of a polity or Region#Political regions, political region, in some cases, such as governor-general, governors-general, as the head of a state's official representative. Depending on the ...
s may also play a role in deciding district boundaries. In many states, districts are drawn with the intent to benefit certain political groups, including one of the two major political parties, in a practice known as
gerrymandering Gerrymandering, ( , originally ) defined in the contexts of Representative democracy, representative electoral systems, is the political manipulation of Boundary delimitation, electoral district boundaries to advantage a Political party, pa ...
. Most states draw new lines by passing a law the same way any other law is passed, but some states have special procedures. Connecticut and Maine require a two-thirds super-majority in each house of the state legislature for redistricting plans, while district lines are not subject to gubernatorial veto in Connecticut and North Carolina. The Ohio redistricting process is designed to encourage the legislature to pass a map with bipartisan support, but the majority party can pass maps that last for four years (as opposed to the normal ten years) without the support of the minority party. The legislatures of Alabama, Indiana, Kentucky, Tennessee, and West Virginia can override gubernatorial vetoes with a simple majority vote, giving governors in those states little leverage in the drawing of new district maps.


Limits on congressional redistricting

Though the states have wide latitude in the re-drawing of congressional districts, state power over redistricting is subject to limits set by the
U.S. Constitution The Constitution of the United States is the supreme law of the United States of America. It superseded the Articles of Confederation, the nation's first constitution, on March 4, 1789. Originally including seven articles, the Constituti ...
, rulings of the federal judiciary and statutes passed by
Congress A congress is a formal meeting of the representatives of different countries, constituent states, organizations, trade unions, political parties, or other groups. The term originated in Late Middle English to denote an encounter (meeting of ...
. In the case of ''
Wesberry v. Sanders ''Wesberry v. Sanders'', 376 U.S. 1 (1964), was a landmark U.S. Supreme Court case in which the Court ruled that districts in the United States House of Representatives must be approximately equal in population. Along with '' Baker v. Carr'' (1 ...
,'' the
Supreme Court of the United States The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all Federal tribunals in the United States, U.S. federal court cases, and over Stat ...
established that states must draw districts that are equal in population "as nearly as is practicable." Subsequent court cases have required states to redistrict every ten years, although states can redistrict more often than that depending on their own statutes and constitutional provisions. Since the passage of the
Uniform Congressional District Act The Uniform Congressional District Act is a redistricting bill that requires that all members of the United States House of Representatives in the 91st United States Congress and every subsequent Congress be elected from a single-member district ...
(), most states have been barred from using
multi-member district An electoral (congressional, legislative, etc.) district, sometimes called a constituency, riding, or ward, is a geographical portion of a political unit, such as a country, state or province, city, or administrative region, created to provi ...
s; all states currently use single-member districts. The
Voting Rights Act of 1965 The Voting Rights Act of 1965 is a landmark piece of federal legislation in the United States that prohibits racial discrimination in voting. It was signed into law by President Lyndon B. Johnson during the height of the civil rights move ...
establishes protections against racial redistricting plans that would deny minority voters an equal opportunity to elect representatives of their choice. The Supreme Court case of '' Thornburg v. Gingles'' established a test to determine whether redistricting lines violate the Voting Rights Act. In some states, courts have required the creation of
majority-minority districts A majority-minority district is an electoral district, such as a United States congressional district, in which the majority of the constituents in the district are racial or ethnic minorities (as opposed to Non-Hispanic whites in the U.S.). R ...
. In addition to standards required by federal law, many states have also adopted other criteria, including compactness, contiguity, and the preservation of political subdivisions (such as cities or counties) or communities of interest. Some states, including Arizona, Colorado, New York and Washington require the drawing of competitive districts.


Control of congressional redistricting


Congressional redistricting plans passed by legislature

The table shows the partisan control of states in which congressional redistricting is enacted through either a bill or a joint resolution passed by the legislature. States in which the governor can technically veto the bill, but that veto can be overridden by a simple majority of the state legislature, are marked as "simple maj. override". "*" indicates that a 2/3 super-majority vote is required in the legislature
"↑" indicates that one party can override a gubernatorial veto because of a
supermajority A supermajority is a requirement for a proposal to gain a specified level of support which is greater than the threshold of one-half used for a simple majority. Supermajority rules in a democracy can help to prevent a majority from eroding fun ...
in the legislature
"†" indicates that the state employs an advisory commission
"‡" indicates that the state employs a back-up commission Ohio requires certain qualified majorities, at each stage of its congressional redistricting process, for its congressional maps to endure (subject to judicial review) for the full decade.


Congressional redistricting plans passed by commissions

Six states with multiple members of the House of Representatives use independent commissions to draw congressional districts. In Arizona, Montana, and Washington, the four party leaders of the state house and state senate each select one member of the Independent Redistricting Commission, and these four members select a fifth member who is not affiliated with either party. In California, the Citizen's Redistricting Commission consists of five Democrats, five Republicans, and four individuals who are not members of either party. In Idaho, the four party leaders of the state house and state senate and the chairmen of the two most popular state parties (based on the results of the most recent gubernatorial vote) each select a member of the Commission for Reapportionment. Two states use politician commissions to draw congressional districts. In Hawaii, the president of the state senate and the speaker of the state house each select two members of the Reapportionment Commission, while the minority parties in both chambers each appoint two members of the commission. The eight members of the commission then select a ninth member, who also chairs the commission. In New Jersey, the four party leaders of the state house and state senate and the party leaders of the two largest parties each choose two members of the Apportionment Commission, and the twelve members of the commission select a thirteenth member to chair the commission. One state, Virginia, uses a hybrid, bipartisan commission consisting of eight legislators and eight non-legislator citizens. The commission is evenly divided between Democrats and Republicans. Ohio employs a hybrid commission as a back-up redistricting authority in the case of the state legislature failing to achieve a certain qualified majority for approval of a map. The commission is composed of elected political officials as well as appointments made by the leaders of the state legislative chambers (namely: the speaker of the house, the leader of the largest party in the house to which the speaker of the house does not belong, the president of the senate, and the leader of the largest party in the senate to which the speaker of the senate does not belong), although those appointments also were politicians in the 2020 cycle. If the redistricting commission fails to achieve a certain qualified majority for approval of a congressional redistricting plan when it has been charged to do so, the authority to pass such a plan transfers back to the state legislature, which may then pass a plan either for the full decade via a certain qualified majority, or for only four years via normal legislative procedure otherwise.


State legislatures


Legislative redistricting methods

Each state draws new legislative district boundaries every ten years. Every state except
Nebraska Nebraska ( ) is a landlocked U.S. state, state in the Midwestern United States, Midwestern region of the United States. It borders South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Ka ...
has a bicameral legislative branch. Nebraska is also unique in that it has the only legislative body that is officially
non-partisan Nonpartisanship, also known as nonpartisanism, is a lack of affiliation with a political party and a lack of political bias. While an ''Oxford English Dictionary'' definition of ''partisan'' includes adherents of a party, cause, person, etc., ...
. Most states must pass redistricting plans by the time of the filing deadlines for the
2022 elections The following elections were scheduled to occur in 2022. The National Democratic Institute also maintains a calendar of elections around the world. * 2022 United Nations Security Council election * 2022 national electoral calendar * 2022 local e ...
. The exceptions are Virginia and New Jersey, which must pass new plans in 2021, Louisiana and Mississippi which have a 2023 deadline, and Montana, which has a 2024 deadline. Fifteen states use independent or politician commissions to draw state legislative districts. In the other states, the legislature is ultimately charged with drawing new lines, although some states have advisory or back-up commissions. Connecticut, Illinois, Mississippi, Oklahoma, and Texas have backup commissions that draw district lines if the legislature is unable to agree on new districts. Iowa, Maine, New York, Rhode Island, and Vermont employ advisory commissions. In Oregon, the Secretary of State will draw the legislative districts if the legislature fails to do so. In Connecticut and Maine, a 2/3 super-majority vote in each house is required to create new districts, while in Connecticut, Florida, Maryland, Mississippi, and North Carolina, the governor cannot veto redistricting plans. The legislatures of Alabama, Indiana, Kentucky, Tennessee, and West Virginia can override gubernatorial vetoes with a simple majority vote, giving governors in those states little leverage in the drawing of new district maps.


Limits on state legislative redistricting

The states have wide latitude in re-drawing legislative districts, but the U.S. Supreme Court case of ''
Reynolds v. Sims ''Reynolds v. Sims'', 377 U.S. 533 (1964), was a landmark United States Supreme Court case in which the Court ruled that the single-seat electoral districts of state legislative chambers must be roughly equal in population. Along with '' Bak ...
'' established that states must draw districts that are "substantially equal" in population to one another. Federal court cases have established that deviation between the largest and smallest districts generally cannot be greater than ten percent, and some states have laws requiring less deviation. Court cases have also required states to redistrict every ten years, although states can redistrict more often than that depending on their own statutes and constitutional provisions. States are free to employ multi-member districts, and different districts can elect different numbers of legislators. The Voting Rights Act of 1965 establishes protections against racial redistricting plans that would deny minority voters an equal opportunity to elect representatives of their choice. The Supreme Court case of ''Thornburg v. Gingles'' established a test to determine whether redistricting lines violate the Voting Rights Act. Many states have also adopted other criteria, including compactness, contiguity, and the preservation of political subdivisions (such as cities or counties) or communities of interest. Some states, including Arizona, require the drawing of competitive districts, while other states require the nesting of state house districts within state senate districts.


Control of legislative redistricting


State legislative redistricting plans passed by legislature

The table shows the partisan control of states in which state legislative redistricting is enacted via a bill passed by the legislature. States in which the governor can technically veto the bill, but that veto can be overridden by a simple majority of the state legislature, are marked as "simple maj. override". An * indicates that a 2/3 super-majority vote is required in the legislature
A ↑ indicates that one party can override a gubernatorial veto because of a super-majority in the legislature
A † indicates that the state employs an advisory commission
A ‡ indicates that the state employs a backup commission


State legislative redistricting plans passed by commission

Eight states use independent commissions to draw state legislative districts. In Alaska, the governor appoints two individuals and the Speaker of the House, senate president, and Chief Justice of the Alaska Supreme Court each appoint one individual to the Redistricting Board. In Arizona, Montana, and Washington, the four legislative party leaders each appoint one member to the redistricting commission, and these four individuals choose a fifth member to chair the commission. California's Citizen's Redistricting Commission consists of five Democrats, five Republicans, and four individuals who are not members of either party. Idaho's Commission for Reapportionment consists of six individuals appointed by the chairmen of the two largest parties (based on the most recent gubernatorial vote) and the four state legislative party leaders. Six states use politician commissions to draw state legislative districts. Arkansas's Board of Apportionment consists of the governor, secretary of state, and attorney general. The Ohio Redistricting Commission consists of the governor, auditor, secretary of state, and four individuals appointed by the state legislative party leaders. Hawaii's Reapportionment Commission consists of eight appointees of the state legislative party leaders, and these appointees select a ninth member to chair the commission. The New Jersey Apportionment Commission consists of twelve individuals appointed by the state legislative party leaders and the two major party chairmen, with these twelve individuals choosing a thirteenth member to chair the board. Pennsylvania's redistricting commission consists of four appointees chosen by the state legislative party leaders, and these four appointees choose a fifth member to chair the commission. In Missouri, a commission is created for each legislative chamber as a result of the governor picking from lists submitted by the leaders of the two major parties. One state, Virginia, uses a hybrid, bipartisan commission consisting of eight legislators and eight non-legislator citizens. The commission is evenly divided between Democrats and Republicans.


Final disposition

This table shows the final status of redistricting in each state. An * indicates that litigation is currently pending against the finalized maps


Litigation

Lawsuits have been filed against a number of passed congressional and legislative maps on the grounds of either racial gerrymandering or partisan gerrymandering. These states include Alabama, Alaska, Arkansas, Georgia, Idaho, Illinois, Maryland, Michigan, Nevada, New Jersey, New Mexico, North Carolina, Ohio, South Carolina and Texas. As more states continue to adopt maps through the redistricting process, the number of lawsuits filed will potentially increase.


Racial gerrymandering

Lawsuits have been filed in multiple states against congressional and state legislative maps due to claims that the new maps disenfranchise minority voters. In Alabama, four lawsuits were filed against the congressional and state legislative maps, alleging racial bias and violation of the
Voting Rights Act of 1965 The Voting Rights Act of 1965 is a landmark piece of federal legislation in the United States that prohibits racial discrimination in voting. It was signed into law by President Lyndon B. Johnson during the height of the civil rights move ...
(VRA) by diluting the power of minority voters in the state. On January 24, 2022, a three-judge panel blocked Alabama's congressional maps over claims it likely violates the VRA. The panel argued that because African Americans counted for a considerable percentage of the total population growth, there should be more opportunities for representation. On February 7, 2022, the
Supreme Court In most legal jurisdictions, a supreme court, also known as a court of last resort, apex court, high (or final) court of appeal, and court of final appeal, is the highest court within the hierarchy of courts. Broadly speaking, the decisions of ...
temporarily reinstated Alabama's congressional map and added Alabama's appeal to their 2022 case list, with the hearing date yet to be decided. On June 8, 2023, the Supreme Court upheld the lower court's decision, ruling in '' Allen v. Milligan'' that Alabama did in fact illegally dilute the power of Black voters. The Alabama Legislature defied the Supreme Court, drawing a map with only a single Black-majority district, rather than the ruling's minimum two districts. The
NAACP The National Association for the Advancement of Colored People (NAACP) is an American civil rights organization formed in 1909 as an interracial endeavor to advance justice for African Americans by a group including W. E. B. Du&nbs ...
and
American Civil Liberties Union The American Civil Liberties Union (ACLU) is an American nonprofit civil rights organization founded in 1920. ACLU affiliates are active in all 50 states, Washington, D.C., and Puerto Rico. The budget of the ACLU in 2024 was $383 million. T ...
sued multiple state officials in Arkansas over the new state House districts, arguing that they unconstitutionally underrepresented Black voters. A Trump appointed US District judge ruled that the groups did not have standing, and stated that the plaintiff must be the US Attorney General in February, 2022. The ACLU appealed the ruling following the decision by the
United States Department of Justice The United States Department of Justice (DOJ), also known as the Justice Department, is a United States federal executive departments, federal executive department of the U.S. government that oversees the domestic enforcement of Law of the Unite ...
not to intervene. US Senator
Tom Cotton Thomas Bryant Cotton (born May 13, 1977) is an American politician and United States Army, Army veteran serving since 2015 as the Seniority in the United States Senate, junior United States Senate, United States senator from Arkansas. A memb ...
filed an amicus brief with the court supporting the state of Arkansas, calling racial gerrymandering accusations "baseless". Two lawsuits were also filed against Arkansas's congressional districts, arguing that the map disenfranchised black voters by splitting Pulaski County between three congressional districts and moving 23,000 black voters out of
Arkansas's 2nd congressional district Arkansas's 2nd congressional district is a congressional district located in the central part of the U.S. state of Arkansas and includes most of the state capital of Little Rock, Arkansas, Little Rock, its suburbs, and surrounding areas. The dist ...
. In Georgia, staff attorneys at the
Southern Poverty Law Center The Southern Poverty Law Center (SPLC) is an American 501(c)(3) nonprofit legal advocacy organization specializing in civil rights and public interest litigation. Based in Montgomery, Alabama, it is known for its legal cases against white ...
claimed that, "the maps produced out of the special legislative session block Georgia's communities of color from obtaining political representation that reflects their population growth". The
American Civil Liberties Union The American Civil Liberties Union (ACLU) is an American nonprofit civil rights organization founded in 1920. ACLU affiliates are active in all 50 states, Washington, D.C., and Puerto Rico. The budget of the ACLU in 2024 was $383 million. T ...
of Georgia filed suit in December 2021, alleging that both state legislative maps and congressional maps violated the VRA. Specifically, the 6th, 13th, and 14th congressional districts were challenged. In March 2022, Judge
Steve C. Jones Steve CarMichael Jones (born January 26, 1957) is a Senior status, senior United States federal judge, United States district judge for the United States District Court for the Northern District of Georgia and a former judge of the Georgia Superi ...
allowed Georgia's congressional and state legislative maps to take effect for the 2022 Georgia state elections even though he believed that it was likely "that certain aspects of the State's redistricting plans are unlawful." Despite this, he decided that overturning Georgia's maps so close to the May primary would prove overly disruptive. Later, in October 2023, Judge Jones found that Georgia's maps did illegally discriminate against Black voters, ordering the state to create an additional majority-Black district. The state of Georgia is expected to appeal that decision, and it remains uncertain what maps will be used for the 2024 elections. In Michigan, on March 23, 2022, a group of nineteen African-American Detroiters who live in thirteen different Michigan House and Senate districts in portions of Detroit sued the Michigan Independent Citizens Redistricting Commission ("MICRC") for violating the Equal Protection Clause of the United States Constitution and the Voting Rights Act. On December 21, 2023, a three-judge panel of the United States District Court for the Western District of Michigan determined that the MICRC "overwhelmingly - indeed, inescapably" drew the boundaries of the plaintiffs' districts predominantly on the basis for race. The three-judge panel enjoined further use of the Michigan House and Michigan Senate maps drawn by the MICRC and ordered the maps to be redrawn. In Texas, the
League of United Latin American Citizens The League of United Latin American Citizens (LULAC) is the largest and oldest Hispanic and Latin-American civil rights organization in the United States. It was established on February 17, 1929, in Corpus Christi, Texas, largely by Hispanic and ...
and others filed a lawsuit against congressional and state legislative maps after they had passed the state legislature, but before they had been signed into law. They argued that despite over 50% of Texas's population growth over the past ten years being due to Hispanic citizens, the maps not only failed to add new Hispanic majority districts, but also eliminated several existing districts, violating the Voting Rights Act. Republican state legislators claim that the maps were drawn without taking race into account, and that their legal counsel had previously advised them that the maps were legal under federal law. In December 2021, the
Department of Justice A justice ministry, ministry of justice, or department of justice, is a ministry or other government agency in charge of the administration of justice. The ministry or department is often headed by a minister of justice (minister for justice in a ...
also filed a lawsuit against Texas's new congressional and state house maps, arguing that they "were drawn with discriminatory intent".


Partisan gerrymandering

In Maryland, new congressional maps were vetoed by Governor
Larry Hogan Lawrence Joseph Hogan Jr. (born May 25, 1956) is an American politician who served as the 62nd governor of Maryland from 2015 to 2023. A member of the Republican Party and son of three-term U.S. representative Lawrence Hogan, he served as co-ch ...
for being "disgracefully gerrymandered", but the Maryland state legislature overrode his veto on December 9, 2021. Subsequently, two Republican aligned groups sued to overturn the new congressional maps, arguing that they were partisan gerrymanders that "cracked" Republican voters across several districts, diluting their voting power. Primaries in the state were delayed to July 19 due to the ongoing litigation. On March 25, a circuit court judge threw out the congressional districts, calling them an "extreme gerrymander" that disenfranchised multiple communities of interest. New York's congressional, state assembly, and state senate districts were thrown out by a New York state judge on March 31, 2022, for violating a state Constitutional provision banning partisan gerrymandering. On April 21, 2022, a New York appeals court upheld the ruling that New York's congressional maps were drawn with illegal partisan intent, but they reinstated the state assembly and state senate districts. Upon a second appeal by the state Democratic party, The New York State Court of Appeals found that the congressional and state senate districts were "drawn with impermissible partisan purpose." As such, both maps were found unconstitutional, and
Carnegie Mellon University Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institu ...
post-doctoral fellow Jonathan Cervas was appointed as an independent special master to draw new maps. Federal Judge Gary L. Sharpe of the
Northern District of New York The United States District Court for the Northern District of New York (in case citations, N.D.N.Y.) serves one of the 94 judicial districts in the United States and one of four in the state of New York. Appeals from the Northern District of Ne ...
delayed New York's congressional and state senate primaries to August in May 2022, rejecting an argument from state Democrats that the primary must take place in June, and so it was too late to redraw new maps. He called the argument "a Hail Mary pass, the object of which is to take a long-shot try at having the New York primaries conducted on district lines that the state says is unconstitutional". The
Supreme Court of Ohio The Supreme Court of the State of Ohio is the highest court in the U.S. state of Ohio, with final authority over interpretations of Ohio law and the Ohio Constitution. The court has seven members, a chief justice and six associate justices, ...
overturned initially passed state legislative maps, arguing that they unfairly favored Republicans against the guidance of Ohio's 2015 redistricting amendment that seeks to limit partisan gerrymandering. The Republican Party of New Mexico sued to overturn the new congressional maps, arguing that they unduly favor Democrats and dilute Republican voting strength, thereby violating the equal protection clause of the New Mexico state constitution. New Mexico Governor
Michelle Lujan Grisham Michelle Lujan Grisham ( ; born October 24, 1959) is an American lawyer and politician serving as the List of governors of New Mexico, 32nd governor of New Mexico since 2019. A member of the Democratic Party (United States), Democratic Party, Lu ...
characterized the congressional map as one "in which no one party or candidate may claim any undue advantage." In February 2022, the
North Carolina Supreme Court The Supreme Court of the State of North Carolina is the state of North Carolina's highest appellate court. Until the creation of the North Carolina Court of Appeals in the 1960s, it was the state's only appellate court. The Supreme Court consists ...
struck down both state legislative maps and the congressional map initially passed by the state legislature in November 2021, citing partisan gerrymandering that violated the state Constitution. As a result, the North Carolina legislature drafted new maps, which they submitted to the court for approval. A three-judge panel of the court upheld the legality of both state legislative maps, but had court-appointed special masters redraw the congressional map, which was released and approved in February 2022.


Racial and partisan gerrymandering

''
Alexander v. South Carolina State Conference of the NAACP ''Alexander v. South Carolina State Conference of the NAACP'', 602 U.S. 1 (2024), was a United States Supreme Court case regarding racial gerrymandering and partisan gerrymandering within South Carolina's 1st congressional district, which incl ...
'' is the first partisan gerrymandering case taken by the
United States Supreme Court The Supreme Court of the United States (SCOTUS) is the highest court in the federal judiciary of the United States. It has ultimate appellate jurisdiction over all U.S. federal court cases, and over state court cases that turn on question ...
after its
landmark decision Landmark court decisions, in present-day common law legal systems, establish precedents that determine a significant new legal principle or concept, or otherwise substantially affect the interpretation of existing law. "Leading case" is commonly ...
in Rucho v Common Cause which stated that partisan gerrymandering claims present political questions beyond the reach of the federal courts, and the first racial gerrymandering case, after the court's
landmark decision Landmark court decisions, in present-day common law legal systems, establish precedents that determine a significant new legal principle or concept, or otherwise substantially affect the interpretation of existing law. "Leading case" is commonly ...
in Allen v Milligan. The South Carolina case is pending a court decision in 2024.


Court-run redistricting

State supreme courts have selected or drafted new congressional maps in Connecticut, Minnesota, North Carolina, New Hampshire, Pennsylvania, Virginia, and Wisconsin following the failure of redistricting panels or lawmakers to pass new maps in each state. The
Connecticut Supreme Court The Connecticut Supreme Court, formerly known as the Connecticut Supreme Court of Errors, is the supreme court, highest court in the U.S. state of Connecticut. It consists of a Chief Justice and six Associate Justices. The seven justices sit i ...
was forced to take over the congressional redistricting process after the bipartisan legislative panel deadlocked and failed to agree on new maps. The court appointed
Nathaniel Persily Nathaniel Persily is the James B. McClatchy Professor of Law at Stanford Law School, where he has taught since 2013. He is a scholar of constitutional law, election law, and the democratic process. In North Carolina, local and state courts took over the congressional redistricting process in February 2022. After initial congressional and legislative maps were ruled as unconstitutional partisan gerrymanders, several nonpartisan redistricting experts including Robert H. Edmunds Jr.,
Thomas W. Ross Thomas W. Ross (22 January 1875, Boston – 14 November 1959, Torrington, Connecticut) was an American stage and film actor. He had a prolific career on Broadway from 1902 through 1944. He first drew critical acclaim for his portrayal of the tit ...
, and Robert F. Orr were appointed as special masters by the state Supreme Court. They were tasked with reviewing whether the second iteration of state legislative and congressional maps passed by the North Carolina legislature violated state Constitution provisions opposing partisan gerrymandering. The special masters in coordination with the Wake County Superior Court found that the new congressional map was unconstitutional, and instead implemented their own map on February 23, 2022. North Carolina House Speaker Tim Moore called the process "egregious" and "unconstitutional", and accused the court of drawing the maps "in an unknown, black-box manner". Following the failure of the
Minnesota Legislature The Minnesota Legislature is the bicameral legislature of the U.S. state of Minnesota consisting of two houses: the Senate and the House of Representatives. Senators are elected from 67 single-member districts. In order to account for decenn ...
to pass either congressional or state legislative districts by the mandated February 5, 2022, deadline, the
Minnesota Supreme Court The Minnesota Supreme Court is the highest court in the U.S. state of Minnesota. The court hears cases in the Supreme Court chamber in the Minnesota State Capitol or in the nearby Minnesota Judicial Center. History The court was first assemb ...
appointed a five-member commission to draw new boundaries. The panel released the state's new maps later in February.


Redistricting organizations and funds

Democrats were particularly unhappy with the results of the 2012 House elections in which Democratic House candidates received more votes than Republican House candidates, but Republicans retained control of the chamber. Organizations such as the
Democratic Governors Association The Democratic Governors Association (DGA) is a Washington, D.C.–based 527 organization founded in 1983, consisting of U.S. state and territorial List of current United States governors, governors affiliated with the Democratic Party (United St ...
and the
Democratic Legislative Campaign Committee The Democratic Legislative Campaign Committee (DLCC) is the U.S. Democratic Party organization that works to elect Democrats to state legislatures. The committee was formed after the 1992 elections by a group of Democratic state legislators and ...
have established funds dedicated to helping Democrats in the 2020 round of redistricting. Democrats also established the
National Democratic Redistricting Committee The National Democratic Redistricting Committee (NDRC) is a US organization that focuses on Redistricting in the United States, redistricting and is affiliated with the Democratic Party (United States), Democratic Party. The organization coordi ...
to coordinate Democratic redistricting efforts. Republicans established a similar group, the
National Republican Redistricting Trust The National Republican Redistricting Trust (NRRT) is an American organization founded to strengthen the Republican Party's influence in the 2020 redistricting cycle. It was launched in 2017 in response to the formation of the National Democrat ...
.


Changes to the redistricting process between 2012 and 2022


Federal court rulings

In the 2013 case, ''
Shelby County v. Holder ''Shelby County v. Holder'', 570 U.S. 529 (2013), is a landmark decision of the Supreme Court of the United States regarding the constitutionality of two provisions of the Voting Rights Act of 1965: Section 5, which requires certain states and ...
'', the Supreme Court struck down Section 4(b) of the Voting Rights Act, which was a coverage formula that determined which states and counties required preclearance from the
Justice Department A justice ministry, ministry of justice, or department of justice, is a ministry or other government agency in charge of the administration of justice. The ministry or department is often headed by a minister of justice (minister for justice in a ...
before making changes to voting laws and procedures. The formula had covered states with a history of minority voter disenfranchisement, and the preclearance procedure was designed to block discriminatory voting practices. In the 2019 case of '' Rucho v. Common Cause'', the Supreme Court held that claims of partisan gerrymandering present
nonjusticiable Justiciability concerns the limits upon legal issues over which a court can exercise its judicial authority. It includes, but is not limited to, the legal concept of standing, which is used to determine if the party bringing the suit is a par ...
political question In United States constitutional law, the political question Legal doctrine, doctrine holds that a constitutional dispute requiring knowledge of a non-legal character, techniques not suitable for a court, or matters explicitly assigned by the Const ...
s that cannot be reviewed by federal courts. In another 2019 case, '' Department of Commerce v. New York'', the Supreme Court blocked the
Trump administration Presidency of Donald Trump may refer to: * First presidency of Donald Trump, the United States presidential administration from 2017 to 2021 * Second presidency of Donald Trump, the United States presidential administration since 2025 See also * ...
from adding a question to the 2020 census regarding the citizenship of respondents.


State court rulings

In 2015, the
Supreme Court of Florida The Supreme Court of Florida is the state supreme court, highest court in the U.S. state of Florida. It consists of seven justices—one of whom serves as Chief Justice. Six members are chosen from six districts around the state to foster geog ...
ordered the state to draw a new congressional map on the basis of a 2010 state constitutional amendment that banned partisan gerrymandering. In 2018, the Pennsylvania Supreme Court threw out the 2011 U.S. House of Representatives map on the grounds that it violated the state constitution; the court established new redistricting standards requiring districts to be compact and to minimize the splitting of counties and towns. In 2019, a North Carolina state court struck down the state's legislative districts on the grounds that the district had been created with the partisan intent of favoring Republican candidates. In 2022, the Ohio Supreme Court struck down the state's congressional and legislative districts multiple times.


Ballot measures

In 2015, Ohio voters approved a ballot measure changing the composition of the commission charged with drawing state legislative districts, adding two legislative appointees to the commission and creating rules and guidelines designed to make partisan gerrymandering more difficult. In May 2018, Ohio voters approved a proposal that modified the state's congressional redistricting processes. In 2018, voters in Colorado and Michigan approved of a proposal to establish an independent redistricting commission for congressional and state legislative districts in their respective states. In Utah, voters approved the creation of a redistricting commission to draw congressional and state legislative districts, though the Utah state legislature retains the power to reject these maps. In 2020, voters in Virginia approved the establishment of a bipartisan redistricting commission for both congressional and state legislative redistricting. The commission consists of eight legislators and eight non-legislator citizens, with the commission split evenly between Democrats and Republicans. In 2018, Missouri voters approved of a proposal to have a non-partisan state demographer draw state legislative districts, but in 2020 Missouri voters approved a second referendum eliminating the state demographer position and restoring the system in place prior to the 2018 referendum.


See also

*
2017 2017 was designated as the International Year of Sustainable Tourism for Development by the United Nations General Assembly. Events January * January 1 – Istanbul nightclub shooting: A gunman dressed as Santa Claus opens fire at the ...
,
2018 Events January * January 1 – Bulgaria takes over the Presidency of the Council of the European Union, after the Estonian presidency. * January 4 – SPLM-IO rebels loyal to Chan Garang Lual start a raid against Juba, capital of ...
,
2019 This was the year in which the first known human case of COVID-19 was documented, preceding COVID-19 pandemic, the pandemic which was declared by the World Health Organization the following year. Up to that point, 2019 had been described as ...
,
2020 The year 2020 was heavily defined by the COVID-19 pandemic, which led to global Social impact of the COVID-19 pandemic, social and Economic impact of the COVID-19 pandemic, economic disruption, mass cancellations and postponements of even ...
, and 2021 United States elections *
Gerrymandering in the United States Gerrymandering is the practice of setting boundaries of electoral districts to favor specific political interests within legislative bodies, often resulting in districts with convoluted, winding boundaries rather than compact areas. The term " ...
*
Redistricting in the United States Redistricting in the United States is the process of drawing electoral district boundaries. For the United States House of Representatives, and state legislatures, redistricting occurs after each United States census, ten-year census. The Arti ...
*
Electoral geography Electoral geography is the analysis of the methods, the behavior, and the results of elections in the context of geography, geographic space and using geographical techniques. Specifically, it is an examination of the dual interaction in whic ...


Notes


References


External links

* * {{Redistricting (US) 2020 in American politics Redistricting in the United States Electoral geography of the United States