| State: | Illinois |
| District Number: | 6 |
| Image Caption: | Interactive map of district boundaries since January 3, 2023 |
| Representative: | Sean Casten |
| Party: | Democratic |
| Residence: | Downers Grove |
| English Area: | 230.0 |
| Percent Urban: | 99.4 |
| Percent Rural: | 0.6 |
| Population: | 737,763 |
| Population Year: | 2022 |
| Median Income: | $95,298[1] |
| Percent White: | 72.1 |
| Percent Hispanic: | 13.6 |
| Percent Black: | 5.3 |
| Percent Asian: | 5.8 |
| Percent More Than One Race: | 2.7 |
| Percent Other Race: | 0.4 |
| Cpvi: | D+3[2] |
Illinois's 6th congressional district covers parts of Cook and DuPage counties. It has been represented by Democrat Sean Casten since 2019.
After the 2011 redistricting which followed the 2010 census, the district included portions of Cook, DuPage, Kane, Lake and McHenry counties. All or parts of Algonquin, Barrington, Barrington Hills, Bartlett, Burr Ridge, Carol Stream, Carpentersville, Cary, Clarendon Hills, Crystal Lake, Darien, Deer Park, Downers Grove, Elgin, East Dundee, Forest Lake, Fox River Grove, Gilberts, Illinois, Glen Ellyn, Hawthorn Woods, Hinsdale, Hoffman Estates, Inverness, Kildeer, Lake Barrington, Lake in the Hills, Lake Zurich, Lakewood, Lisle, Lombard, Long Grove, Naperville, North Barrington, Oak Brook, Oakbrook Terrace, Oakwood Hills, Palatine, Port Barrington, Rolling Meadows, Sleepy Hollow, South Barrington, South Elgin, St. Charles, Tower Lakes, Trout Valley, Warrenville, Wayne, West Chicago, West Dundee, Westmont, Wheaton, Willowbrook and Winfield are included.
| County | Seat | Population | ||
|---|---|---|---|---|
| 31 | Cook | Chicago | 5,173,146 | |
| 43 | DuPage | Wheaton | 932,877 |
The 6th district takes in the Chicago neighborhoods of Beverly; most of Mount Greenwood; and western Garfield Ridge and Clearing.
Outside of Chicago, the 6th district takes in the Cook County communities of Orland Hills, Western Springs, Orland Park, Palos Hills, Hickory Hills, Chicago Ridge, Bridgeview, Willow Springs, and Indian Head Park; northern Tinley Park; and the western and eastern portions of Evergreen Park.
DuPage County is split between this district, the 3rd district, 4th district, and the 11th district. The 6th and 3rd districts are partitioned by 59th St, Illinois Highway 83, 55th St, Walker Ave, Park Ave, Golf Ave, Jane Ct, Prospect Ave, Chicago Ave, Middaugh Rd, Naperville Rd, Hinsdale Golf Course, Illinois Highway 34, Robert Kingery Highway, Oak Brook Rd, Regent Dr, 22nd St, Castle Dr, Illinois Highway 38, Fillmore St, Adams St, Madison St, Euclid Ave, York St, and Illinois Highway 64.
The 6th and 4th districts are partitioned by Grand Ave, Frontage Ave, Fullerton Ave, Harvard Ave, Armitage Ave, Addison Rd, Illinois Highway 64, Westmore Ave/Berman Ave, Plymouth St, Lincoln St, Vermont St, Westwood Ave, Le Moyne Ave/Illinois Highway 64, Highway 355, Union Pacific Railroad, North Path, President St, and Naperville Rd.
The 6th and 11th district are partitioned by Illinois Highway 23, Highway 88, Fender Rd, Ogden Ave, Beau Bren Blvd, Eugenia Dr, Arlington Ave, Oak Hill Park, Oak Hill Dr, Yackley Ave, Maple Ave, Abbey Dr, Four Lakes Ave, River Bend Golf Course, Riverview Dr, Kohl Rd, Illinois Highway 53, 61st St, Essex Rd, Summerhill Park, Prentiss Creek, 59th St, Chase Ave, 63rd St, Highway 355, Wheeler St, Woodward Ave, 71st Ave, Illinois Highway 33, Illinois Highway 9, 87th St, Meyer Woods Park, Wards Creek, Highway 55, Cass Ave, and 91st St. The 6th district takes in the municipalities of Downers Grove, Lombard, Villa Park, Westmont; most of Elmhurst, Lisle, and Darien; half of Wheaton east of Illinois Highway 23 and south of the Union Pacific Railroad; and the portion of Glen Ellyn south of the Union Pacific Railroad.
This table indicates how the district has voted in U.S. presidential elections; election results reflect voting in the district as it was configured at the time of the election, not as it is configured today.
| Year | Office | Results | |
|---|---|---|---|
| 2000 | President | Bush 53% – Gore 44% | |
| 2004 | President | Bush 53% – Kerry 46% | |
| 2008 | President | Obama 51% – McCain 48% | |
| 2012 | President | Romney 53% – Obama 45% | |
| 2016 | President | Clinton 50% – Trump 43% | |
| 2020 | President | Biden 55% – Trump 43% |
This table indicates how the district has voted in recent statewide elections; election results reflect voting in the district as it is currently configured, not necessarily as it was at the time of these elections.
| Year | Office | Results |
|---|---|---|
| 2016 | President | Hillary Clinton 50.7% – Donald Trump 42.4% |
| Senate | Tammy Duckworth 50.0% – Mark Kirk 44.2% | |
| 2018 | Governor | J. B. Pritzker 49.7% – Bruce Rauner 44.7% |
| Attorney General | Kwame Raoul 50.3% – Erika Harold 47.2% | |
| Secretary of State | Jesse White 67.5% – Jason Helland 29.8% | |
| 2020 | President | Joe Biden 54.5% – Donald Trump 43.6% |
| Senate | Dick Durbin 52.5% – Mark Curran 41.0% | |
| 2022 | Senate | Tammy Duckworth 55.3% – Kathy Salvi 43.1% |
| Governor | J. B. Pritzker 53.3% – Darren Bailey 43.7% | |
| Attorney General | Kwame Raoul 53.1% – Tom DeVore 44.9% | |
| Secretary of State | Alexi Giannoulias 53.9% – Dan Brady 44.3% |
See main article: 2016 United States House of Representatives elections in Illinois.
See main article: 2018 United States House of Representatives elections in Illinois.
See main article: 2020 United States House of Representatives elections in Illinois.
See main article: 2022 United States House of Representatives elections in Illinois.
| Member | Party | Years | Cong ress | Electoral history | District location | |
|---|---|---|---|---|---|---|
| District created March 4, 1843 | ||||||
| Joseph P. Hoge | Democratic | nowrap | March 4, 1843 – March 3, 1847 | Elected in 1842. Re-elected in 1844. Retired. | ||
Thomas J. Turner | Democratic | nowrap | March 4, 1847 – March 3, 1849 | Elected in 1846. | ||
Edward D. Baker | Whig | nowrap | March 4, 1849 – March 3, 1851 | Elected in 1848. | ||
Thompson Campbell | Democratic | nowrap | March 4, 1851 – March 3, 1853 | Elected in 1850. | ||
Richard Yates | Whig | nowrap | March 4, 1853 – March 3, 1855 | Redistricted from the and re-elected in 1852. | ||
Thomas L. Harris | Democratic | nowrap | March 4, 1855 – November 24, 1858 | Re-elected in 1854. Re-elected in 1856. Re-elected in 1858 Died. | ||
| Vacant | nowrap | November 24, 1858 – January 4, 1859 | ||||
Charles D. Hodges | Democratic | nowrap | January 4, 1859 – March 3, 1859 | Elected to finish Harris's term in the 35th Congress. Retired. | ||
| Vacant | nowrap | March 4, 1859 – November 8, 1859 | ||||
John A. McClernand | Democratic | nowrap | November 8, 1859 – October 28, 1861 | Elected to finish Harris's term in the 36th Congress. Re-elected in 1860. Resigned to accept commission as brigadier general of volunteers for service in the Civil War. | ||
| Vacant | nowrap | October 28, 1861 – December 12, 1861 | ||||
Anthony L. Knapp | Democratic | nowrap | December 12, 1861 – March 3, 1863 | Elected to finish McClernand's term. Redistricted to the . | ||
Jesse O. Norton | Republican | nowrap | March 4, 1863 – March 3, 1865 | Elected in 1862. | ||
Burton C. Cook | Republican | nowrap | March 4, 1865 – August 26, 1871 | Re-elected in 1864. Re-elected in 1866. Re-elected in 1868. Re-elected in 1870. Resigned. | ||
| Vacant | nowrap | August 26, 1871 – December 4, 1871 | ||||
Henry Snapp | Republican | nowrap | December 4, 1871 – March 3, 1873 | Elected to finish Cook's term. | ||
John B. Hawley | Republican | nowrap | March 4, 1873 – March 3, 1875 | Redistricted from the and re-elected in 1872. | ||
Thomas J. Henderson | Republican | nowrap | March 4, 1875 – March 3, 1883 | Elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Redistricted to the . | ||
Robert R. Hitt | Republican | nowrap | March 4, 1883 – March 3, 1895 | Redistricted from the and re-elected in 1882. Re-elected in 1884. Re-elected in 1886. Re-elected in 1888. Re-elected in 1890. Re-elected in 1892. Redistricted to the . | ||
Edward D. Cooke | Republican | nowrap | March 4, 1895 – June 24, 1897 | Elected in 1894. Re-elected in 1896. Died. | ||
| Vacant | nowrap | June 24, 1897 – November 23, 1897 | ||||
Henry S. Boutell | Republican | nowrap | November 23, 1897 – March 3, 1903 | Elected to finish Cooke's term. Re-elected in 1898. Re-elected in 1900. Redistricted to the . | ||
William Lorimer | Republican | nowrap | March 4, 1903 – June 17, 1909 | Elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Resigned when elected to US Senate. | ||
| Vacant | nowrap | June 17, 1909 – November 23, 1909 | ||||
William Moxley | Republican | nowrap | November 23, 1909 – March 3, 1911 | Elected to finish Lorimer's term. | ||
Edmund J. Stack | Democratic | nowrap | March 4, 1911 – March 3, 1913 | Elected in 1910. | ||
James McAndrews | Democratic | nowrap | March 4, 1913 – March 3, 1921 | Elected in 1912. Re-elected in 1914. Re-elected in 1916. Re-elected in 1918. | ||
John J. Gorman | Republican | nowrap | March 4, 1921 – March 3, 1923 | Elected in 1920. | ||
James R. Buckley | Democratic | nowrap | March 4, 1923 – March 3, 1925 | Elected in 1922. | ||
John J. Gorman | Republican | nowrap | March 4, 1925 – March 3, 1927 | Elected in 1924. | ||
James T. Igoe | Democratic | nowrap | March 4, 1927 – March 3, 1933 | Elected in 1926. Re-elected in 1928. Re-elected in 1930. | ||
Thomas J. O'Brien | Democratic | nowrap | March 4, 1933 – January 3, 1939 | Elected in 1932. Re-elected in 1934. Re-elected in 1936. | ||
A. F. Maciejewski | Democratic | nowrap | January 3, 1939 – December 8, 1942 | Elected in 1938. Re-elected in 1940. Resigned. | ||
| Vacant | nowrap | December 8, 1942 – January 3, 1943 | ||||
Thomas J. O'Brien | Democratic | nowrap | January 3, 1943 – April 14, 1964 | Elected in 1942. Re-elected in 1944. Re-elected in 1946. Re-elected in 1948. Re-elected in 1950. Re-elected in 1952. Re-elected in 1954. Re-elected in 1956. Re-elected in 1958. Re-elected in 1960. Re-elected in 1962. Died. | ||
| Vacant | nowrap | April 14, 1964 – January 3, 1965 | ||||
Daniel J. Ronan | Democratic | nowrap | January 3, 1965 – August 13, 1969 | Elected in 1964. Re-elected in 1966. Re-elected in 1968. Died. | ||
| Vacant | nowrap | August 13, 1969 – November 3, 1970 | ||||
George W. Collins | Democratic | nowrap | November 3, 1970 – December 8, 1972 | Elected to finish Ronan's term. Re-elected in 1970. Died. | ||
| Vacant | nowrap | December 8, 1972 – January 3, 1973 | ||||
Harold R. Collier | Republican | nowrap | January 3, 1973 – January 3, 1975 | Redistricted from the and re-elected in 1972. Retired. | ||
Henry Hyde | Republican | January 3, 1975 – January 3, 2007 | Elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Re-elected in 1992. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Re-elected in 2002. Re-elected in 2004. Retired. | |||
| 1983–1993 | ||||||
| 1993–2003 | ||||||
| 2003–2013 | ||||||
Peter Roskam | Republican | January 3, 2007 – January 3, 2019 | Elected in 2006. Re-elected in 2008. Re-elected in 2010. Re-elected in 2012. Re-elected in 2014. Re-elected in 2016. Lost re-election. | |||
| 2013–2023 | ||||||
Sean Casten | Democratic | January 3, 2019 – present | Elected in 2018. Re-elected in 2020. Re-elected in 2022. | |||
| 2023–present | ||||||