Illinois's 18th congressional district

The 18th congressional district of Illinois covered central and western Illinois, including all of Jacksonville and Quincy and parts of Bloomington, Peoria, and Springfield. It covered much of the territory represented by Abraham Lincoln during his single term in the House.

It was last represented by Republican Darin LaHood, who took office in September 2015 following a special election.

Republican Aaron Schock previously represented the district from January 2009 until his resignation in March 2015. Darin LaHood is the son of Schock's predecessor, Ray LaHood, and was reelected in 2016, 2018, and 2020.

From 1949 to 2015, the district was always represented by an attendee or graduate of Bradley University. Due to reapportionment after the 2020 U.S. census, the 18th district was eliminated ahead of the 2022 elections.

2011 redistricting The district covered parts of McLean, Peoria, Sangamon, Stark and Tazewell counties, and all of Adams, Brown, Cass, Hancock, Logan, Marshall, Mason, McDonough, Menard, Morgan, Pike, Schuyler, Scott and Woodford counties, as of the 2011 redistricting which followed the 2010 census. All or parts of Bloomington, Chatham, Jacksonville, Lincoln, Macomb, Morton, Normal, Peoria, Quincy and Springfield were included.Illinois Congressional District 18, 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 5, 2013.

Future Due to Illinois losing population in the 2020 United States census, the district was eliminated in January 2023.

Election results from statewide races Year Office Results2008 PresidentMcCain 54% - 44%2012 PresidentRomney 61% - 37%2016 PresidentTrump 60% - 33% SenateKirk 59% - 35% Comptroller (Spec.)Munger 64% - 31%2018 GovernorRauner 55% - 33% Attorney GeneralHarold 65% - 32% Secretary of StateWhite 53% - 45% ComptrollerSenger 56% - 40% TreasurerDodge 57% - 40%2020 PresidentTrump 61% - 37% SenateCurran 60% - 37%

List of members representing the district Member Party Years Congress Electoral history District created March 4, 1873 Isaac Clements Republican March 4, 1873 –March 3, 1875 Elected in 1872.Lost re-election. William Hartzell Democratic March 4, 1875 –March 3, 1879 Elected in 1874.Re-elected in 1876.Retired. John R. Thomas Republican March 4, 1879 –March 3, 1883 Elected in 1878.Re-elected in 1880.Redistricted to the . William R. Morrison Democratic March 4, 1883 –March 3, 1887 Redistricted from the and re-elected in 1882.Re-elected in 1884.Lost re-election. Jehu Baker Republican March 4, 1887 –March 3, 1889 Elected in 1886.Lost re-election. William S. Forman Democratic March 4, 1889 –March 3, 1895 Elected in 1888.Re-elected in 1890.Re-elected in 1892.Retired. Frederick Remann Republican March 4, 1895 –July 14, 1895 Elected in 1894.Died. Vacant July 14, 1895 –December 2, 1895 William F. L. Hadley Republican December 2, 1895 –March 3, 1897 Elected to finish Remann's term.Lost re-election. Thomas M. Jett Democratic March 4, 1897 –March 3, 1903 Elected in 1896.Re-elected in 1898.Re-elected in 1900.Retired. Joseph G. Cannon Republican March 4, 1903 –March 3, 1913 Redistricted from the and re-elected in 1902.Re-elected in 1904.Re-elected in 1906.Re-elected in 1908.Re-elected in 1910.Lost re-election. Frank T. O'Hair Democratic March 4, 1913 –March 3, 1915 Elected in 1912.Lost re-election. Joseph G. Cannon Republican March 4, 1915 –March 3, 1923 Elected in 1914.Re-elected in 1916.Re-elected in 1918.Re-elected in 1920.Retired. William P. Holaday Republican March 4, 1923 –March 3, 1933 Elected in 1922.Re-elected in 1924.Re-elected in 1926.Re-elected in 1928.Re-elected in 1930.Lost re-election. James A. Meeks Democratic March 4, 1933 –January 3, 1939 Elected in 1932.Re-elected in 1934.Re-elected in 1936.Lost re-election. Jessie Sumner Republican January 3, 1939 –January 3, 1947 Elected in 1938.Re-elected in 1940.Re-elected in 1942.Re-elected in 1944.Retired. Edward H. Jenison Republican January 3, 1947 –January 3, 1949 Elected in 1946.Redistricted to the . Harold H. Velde Republican January 3, 1949 –January 3, 1957 Elected in 1948.Re-elected in 1950.Re-elected in 1952.Re-elected in 1954.Retired. Robert H. Michel Republican January 3, 1957 –January 3, 1995 Elected in 1956.Re-elected in 1958.Re-elected in 1960.Re-elected in 1962.Re-elected in 1964.Re-elected in 1966.Re-elected in 1968.Re-elected in 1970.Re-elected in 1972.Re-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.Retired. Ray LaHood Republican January 3, 1995 –January 3, 2009 Elected in 1994.Re-elected in 1996.Re-elected in 1998.Re-elected in 2000.Re-elected in 2002.Re-elected in 2004.Re-elected in 2006.Retired. Aaron Schock Republican January 3, 2009 –March 31, 2015 Elected in 2008.Re-elected in 2010.Re-elected in 2012.Re-elected in 2014.Resigned. Vacant March 31, 2015 –September 10, 2015 Darin LaHood Republican September 10, 2015 –January 3, 2023 Elected to finish Schock's term.Re-elected in 2016.Re-elected in 2018.Re-elected in 2020.Redistricted to the 16th district. District eliminated January 3, 2023

Recent election results 1994

1996

1998

2000

2002

2004

2006

2008

Ray LaHood decided not to seek re-election in 2008 and was chosen by Barack Obama to serve as U.S. Secretary of Transportation. Illinois State Representative Aaron Schock of Peoria won the seat for the Republicans in the November 4, 2008 election. His main opponent was Democrat Colleen Callahan, of Kickapoo, a radio and television broadcaster. Green Party candidate and educator Sheldon Schafer, of Peoria, was in a distant third place on the ballot. 100% of precincts reporting. Unframed data at .

2010

2012

2014

2015 special election

2016

2018

2020

Historical district boundaries

Illinois's 18th congressional district

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