New Jersey's 11th congressional district is a suburban district in northern New Jersey. The district includes portions of Essex, Morris, and Passaic Counties; it is centered in Morris County. The 11th congressional district, along with the 12th, was created in 1913 based on the results of the 1910 census, and was centered in Essex County. The congressional seat was held by Democrats for almost 36 years under

Hugh Joseph Addonizio Hugh Joseph Addonizio (January 31, 1914 – February 2, 1981) was an American Democratic Party politician who was sentenced to prison for corruption. He was the 33rd Mayor of Newark, New Jersey, from 1962 to 1970, and a U.S. Congressman from ...

and Joseph Minish. The 1980 redistricting shifted the focus of the district to the Republican-dominated Morris County. Republican

Dean Gallo Dean Anderson Gallo (November 23, 1935 – November 6, 1994) was an American politician and businessman who served as a member of the United States House of Representatives, representing from 1985 until his death from prostate cancer in Denvi ...

defeated 22-year incumbent Democrat Joseph Minish in 1984. The district became one of the most reliably Republican districts in the Northeast. It has traditionally leaned Republican but has shifted slightly more Democratic in recent years, and has been represented by Democrat

Mikie Sherrill Rebecca Michelle "Mikie" Sherrill (; born January 19, 1972) is an American politician, former U.S. Navy helicopter pilot, attorney, and former federal prosecutor An assistant United States attorney (AUSA) is an official career civil service ...

since 2019. Under the 2020 census map, the 11th district will lose all of its towns in Sussex County, and gain several new towns in Essex County, such as Millburn and Belleville, but will otherwise still contain most of Morris County. The new version will no longer be nearly as competitive, and will be significantly more Democratic.

Counties and municipalities in the district

For the 118th and successive Congresses (based on redistricting following the 2020 Census), the district contains all or portions of three counties and 46 municipalities. Essex County: (15) : Belleville, Bloomfield, Caldwell, Cedar Grove, Fairfield, Glen Ridge, Livingston, Maplewood, Millburn, Montclair (part; also

10th 10 (ten) is the even natural number following 9 and preceding 11. Ten is the base of the decimal numeral system, by far the most common system of denoting numbers in both spoken and written language. It is the first double-digit number. The re ...

), North Caldwell, Nutley, Roseland,

South Orange South Orange, officially the Township of South Orange Village, is a suburban township in Essex County, New Jersey, United States. As of the 2010 United States Census, the village's population was 16,198, reflecting a decline of 766 (4.5%) fro ...

, West Caldwell. Morris County: (27) : Boonton Town, Boonton Township, Butler, Chatham Borough, Chatham Township, Denville, Dover, East Hanover,

Florham Park Florham Park is a borough in Morris County, New Jersey, United States. As of the 2010 United States census, the borough's population was 11,696,Hanover Hanover (; german: Hannover ; nds, Hannober) is the capital and largest city of the German state of Lower Saxony. Its 535,932 (2021) inhabitants make it the 13th-largest city in Germany as well as the fourth-largest city in Northern Germany ...

, Harding, Jefferson Township, Kinnelon, Lincoln Park, Madison, Mendham Township (part; also 7th), Montville, Morris Plains, Morris Township, Morristown Town,

Mountain Lakes A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher ...

, Parsippany-Troy Hills, Pequannock, Randolph Township, Riverdale, Rockaway Borough, Rockaway Township and Victory Gardens. Passaic County: (4) : Little Falls, Totowa, Wayne (part; also 9th) and Woodland Park.

Recent statewide election results

Recent election results

2012 election

2014 election

2016 election

2018 election

In January 2018, 12-term incumbent Republican

Rodney Frelinghuysen Rodney Procter Frelinghuysen (born April 29, 1946) is an American former politician and lobbyist who served as the U.S. representative for from 1995 to 2019. The district includes most of Morris County, an affluent suburban county west of New ...

announced that he would not seek re-election; earlier, leading political observers had rated the district as a "toss-up" in the November 2018 election. Mikie Sherrill, a former Navy helicopter pilot and federal prosecutor, was the Democratic nominee in 2018. Assemblyman Jay Webber of New Jersey's 26th Assembly District was the Republican nominee. Attorney Ryan Martinez was the Libertarian Party nominee. On November 6, 2018, Sherrill prevailed by an unexpectedly large margin, defeating Webber 56.8%-42.1%. The district shifted 33% towards the Democrats; this was the largest partisan swing of any congressional district in the nation in 2018.

2020 election

2022 election

List of members representing the district