The 11th congressional district of Illinois is represented by Democrat Bill Foster.

Geographic boundaries

2011 redistricting

From 1865 to 1867, the district included

Bureau Bureau ( ) may refer to: Agencies and organizations * Government agency *Public administration * News bureau, an office for gathering or distributing news, generally for a given geographical location * Bureau (European Parliament), the administra ...

, LaSalle, Livingston and Woodford counties. From 1901 until 1947 the 11th congressional district included Kane, DuPage, McHenry and Will Counties. Following the Congressional Apportionment Act of 1947, the district covered a portion of

Cook County Cook County is the most populous county in the U.S. state of Illinois and the second-most-populous county in the United States, after Los Angeles County, California. More than 40% of all residents of Illinois live within Cook County. As of 20 ...

and the far northwest side of Chicago roughly centered on Norwood Park. The district was not changed by 1951's redistricting. In 1961, the district was widened westward to the

Des Plaines River The Des Plaines River () is a river that flows southward for U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed May 13, 2011 through southern Wisconsin and northern Illinois''American Her ...

and east into parts of Lincoln Square. The district covered the northwest side of Chicago until the early 1990s when it moved closer to its current area, encompassing most of LaSalle and Grundy Counties, the southern part of

Will County Will may refer to: Common meanings * Will and testament, instructions for the disposition of one's property after death * Will (philosophy), or willpower * Will (sociology) * Will, volition (psychology) * Will, a modal verb - see Shall and will ...

, the northern part of

Kankakee County Kankakee County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 113,449. Its county seat is Kankakee. Kankakee County comprises the Kankakee, IL Metropolitan Statistical Area. History St ...

and a small portion of southeastern Cook County along the Indiana state line. The Illinois Congressional Reapportionment Act of 2001 (10 ILCS 76) defined its boundaries following the U.S. Census 2000. Following the

U.S. Census 2010 The United States census of 2010 was the twenty-third United States national census. National Census Day, the reference day used for the census, was April 1, 2010. The census was taken via mail-in citizen self-reporting, with enumerators servi ...

the district includes Joliet in Will County, parts of Naperville in southern DuPage County, and Aurora in Kane County. It includes the Argonne National Laboratory. The

congressional district Congressional districts, also known as electoral districts and legislative districts, electorates, or wards in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional bod ...

covers parts of Cook, Du Page, Kane, Kendall and Will counties, as of the 2011 redistricting which followed the 2010 census. All or parts of

Aurora An aurora (plural: auroras or aurorae), also commonly known as the polar lights, is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of bri ...

, Bolingbrook, Darien, Joliet, Montgomery,

Naperville Naperville ( ) is a city in DuPage County, Illinois, DuPage and Will County, Illinois, Will counties in the U.S. state of Illinois. It is in the Chicago metro area, west of the city. Naperville was founded in 1831 by Joseph Naper. The city was ...

, Lisle, Downers Grove, New Lenox, Shorewood and Woodridge are included.Illinois Congressional District 11
Illinois Board of Elections The representatives for these districts were elected in the 2012 primary and general elections, and the boundaries became effective on January 3, 2013.

2021 redistricting

As of the 2020 redistricting, this district will shift to cover the

Northern Illinois Northern Illinois is a region generally covering the northern third of the U.S. state of Illinois. The region is by far the most populous of Illinois with nearly 9.7 million residents as of 2010. Economics Northern Illinois is dominated by t ...

region, encompassing most of McHenry and Kane Counties, parts of Boone,

Lake A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

DeKalb DeKalb or De Kalb may refer to: People * Baron Johann de Kalb (1721–1780), major general in the American Revolutionary War Places Municipalities in the United States * DeKalb, Illinois, the largest city in the United States named DeKalb **DeKal ...

, DuPage, Cook, and Will Counties. Lake County is split between this district, the 9th district, and the 10th district. They are partitioned by Volo Bog State Natural Area, W Brandenburg Rd, N US Highway 12, W Townline Rd, N Wilson Rd, W Chardon Rd, N Fairfield Rd, W Ivanhoe Rd, Liberty St, High St, Kimball Ave, E Liberty St, S Church St, Bangs St, W Liberty St, Westridge Dr/N Lakeview Cir, Carriage Hill Ct/Wood Creek Dr, Greenleaf Ave, Ridge Rd/Burr Oak Ln, and E Burnett Rd/Northern Ter. The 11th district takes in half of the municipalities of Wauconda and Island Lake. McHenry County is split between this district, the 10th district, the 16th district, and the 9th district. The 11th and 10th districts are partitioned by Lily Lake Drain, W Rand Rd, Fox River, N Riverside Dr, Illinois Highway 31, Petersen Farm, Dutch Creek, McCullom Lake Rd, White Oak Ln, McCullom Lake, W Shore Dr, W Martin Rd, Bennington Ln, N Martin Rd, N Curran Rd, Old Draper Rd, Farmstead Dr, S Ridge Rd, N Valley Hill Rd, Barber Creek, Wonder Lake, Illinois Highway 120, Thompson Rd, and Slough Creek. The 11th and 16th districts are partitioned by Nelson Rd, Slough Creek, Hartland Rd, and Tomlin Rd. The 11th and 9th districts are partitioned by E Crystal Lake Ave, Meridian Ln, Crystal Lake Country Club, Woodscreek Park, Boulder Ridge Country Club, and Fairway View Dr. The 11th district takes in the municipalities of

Woodstock Woodstock Music and Art Fair, commonly referred to as Woodstock, was a music festival held during August 15–18, 1969, on Max Yasgur's dairy farm in Bethel, New York, United States, southwest of the town of Woodstock. Billed as "an Aq ...

and Marengo; most of McHenry; and half of Crystal Lake and Huntley; and part of Port Barrington,

Lake in the Hills A lake is an area filled with water, localized in a Depression (geology), basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the World Ocean, oce ...

, and Oakwood Hills. Boone County is split between this district and the 16th district. They are partitioned by Orth Rd, Poplar Grove Rd, Woodstock Rd, McKinley Ave, Squaw Prairie Rd, Beloit Rd, Illinois Business Route 20, Kishwaukee River, Wynwood Dr, N Appleton Rd, S Appleton Rd, Illinois Highway 5, and Stone Quarry Rd. The 11th district takes in half of the municipality of Belvidere. DeKalb County is split between this district, the 14th district, and the 16th district. They are partitioned by Myelle Rd, Bass Line Rd, Illinois Highway 23, Whipple Rd, Plank Rd, Swanson Rd, and Darnell Rd. The 11th district takes in the municipalities of

Genoa Genoa ( ; it, Genova ; lij, Zêna ). is the capital of the Italian region of Liguria and the sixth-largest city in Italy. In 2015, 594,733 people lived within the city's administrative limits. As of the 2011 Italian census, the Province of ...

and Kingston. Kane County is split between this district and the 8th district. The 11th and 8th districts are partitioned by Illinois Highway 47, Regency Parkway, Farm Hill Dr, Del Webb Blvd, Jane Adams Memorial Tollway, Sandwald Rd, Ridgecrest Dr, Brier Hill Rd/Illinois Highway 47, Coombs Rd, Shadow Hill Dr, Campton Hills Dr, West Main St, South Tyler Rd, Division St, Fox River, North Washington Ave, Douglas Rd, Orion Rd, and East Fabyan Parkway. The 11th and 14th districts are partitioned by Lasher Rd, Illinois Highway 83, Jericho Rd, Arnold Ave, Rathbone Ave, Fox River, and New York St. The 11th district takes in the municipalities of North Aurora, Batavia, and

Hampshire Hampshire (, ; abbreviated to Hants) is a ceremonial and non-metropolitan county in western South East England on the coast of the English Channel. Home to two major English cities on its south coast, Southampton and Portsmouth, Hampshire ...

; most of

Geneva , neighboring_municipalities= Carouge, Chêne-Bougeries, Cologny, Lancy, Grand-Saconnex, Pregny-Chambésy, Vernier, Veyrier , website = https://www.geneve.ch/ Geneva ( ; french: Genève ) frp, Genèva ; german: link=no, Genf ; it, Ginevr ...

west of the Fox River; and half of St. Charles and

. DuPage County is split between this district, the 6th district, and the 3rd district. The 11th, 3rd, and 6th districts are partitioned by Grand Ave, Highway 83, Central Ave, Fullerton Ave, Harvard Ave, Armitage Ave, Addison Rd, Highway 64, Westmore Ave, Plymouth St, Westwood Ave, Highway 355, Union Pacific Railroad, North Path, President St, Naperville Rd, Highway 23, Danada Ct, Arrowhead Golf Club, Herrick Rd, Galosh Ave, Butterfield Rd, Calumet Ave E, and Prairie Ave. The 11th district takes in the municipalities of

; most of Woodridge; and part of Darien. Cook County is split between this district and the 1st district. The 11th and 1st districts are partitioned by W Roberta Dr, Walter St, W 127th St, Glenys Dr/Norwalk Rd, Glenys Dr/Keepataw Dr, Hillview Dr, Woodglen Ln/Berkeley Ln, Country Ln/Auburn Rd, 6th St/Kromray Rd, 119th St, Mt Vernon Memorial Estates, and McCarthy Rd. The 11th district takes in half the municipality of Lemont. Will County is split between this district and the 14th district. They are partitioned by Modaff Rd, Knoch Knolls Park, S Knight Rd, Kings Rd, Remington Blvd, The Links at Carillon, N Weber Rd, W Normantown Rd, Romeoville Prairie Nature Preserve, and the Chicago Sanitary and Ship Canal. The 11th district takes in the municipalities of Bolingbrook, and half of Romeoville.

Recent statewide election results

Elections

2012

2014

2016

2018

2020

List of members representing the district

Historical maps of boundaries

File:Map of Illinois highlighting 11th Congressional District 1895-1901.svg, Map of the 11th Congressional district from 1895 to 1903. It included

, LaSalle, Livingston and Woodford counties. File:Map of Illinois highlighting 11th Congressional District 1901.svg, Map of the 11th Congressional district from 1903 until 1949. It included Kane, DuPage, McHenry and Will counties. File:IL-11 congressional district.gif, Map of the 11th Congressional district from 2003–2013 File:Illinois US Congressional District 11 (since 2013).tif, Map of the 11th Congressional district from 2013–present

References

* *
Congressional Biographical Directory of the United States 1774–present

External links

2002 Census of Agriculture – 11th Congressional District ProfileDistrict mapCongressional district profiles''Washington Post'' page on the 11th District of IllinoisU.S. Census Bureau – 11th District Fact Sheet
*Maps
Illinois Districts in 1903. (1901 to 1947)

Illinois Districts following the Congressional Apportionment Act of 1947.

Illinois Districts following the Congressional Apportionment Act of 1951.

Illinois Districts following the Congressional Apportionment Act of 1961.
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