Illinois's 12th congressional district

Illinois's 12th congressional district
Illinois's 12th congressional district
	Interactive map of district boundaries since January 3, 2023
Representative	Mike Bost ; R–Murphysboro
Area	14,296.2 sq mi (37,027 km2)
Distribution	75.4% urban; 24.6% rural;
Population (2023)	749,426
Median household; income	$65,076
Ethnicity	86.9% White ; 4.9% Black ; 3.9% Two or more races ; 2.8% Hispanic ; 1.0% Asian ; 0.5% other;
Cook PVI	R+24

Last updated September 23, 2024

The 12th congressional district of Illinois is a congressional district in the southern part of U.S. state of Illinois. It has been represented by Republican Mike Bost since 2015. With a Cook Partisan Voting Index of R+24, it is the most Republican district in Illinois.^[2]

Composition

2011 redistricting

The district covers parts of Madison and St. Clair counties, and all of Alexander, Franklin, Hamilton, Jackson, Jefferson, Monroe, Perry, Pulaski, Randolph, Union and Williamson counties, as of the 2011 redistricting which followed the 2010 census. All or parts of Belleville, Cahokia, Carbondale, Collinsville, East St. Louis, Granite City, Herrin, Marion, Mt. Vernon, O'Fallon, Shiloh and Swansea are included.^[3] The representatives for these districts were elected in the 2012 primary and general elections, and the boundaries became effective on January 5, 2013.

2021 redistricting

Composition
#	County	Seat	Population
23	Clark	Marshall	15,300
25	Clay	Louisville	13,143
27	Clinton	Carlyle	36,793
29	Coles	Charleston	46,765
33	Crawford	Robinson	18,659
35	Cumberland	Toledo	10,345
47	Edwards	Albion	6,075
49	Effingham	Effingham	34,430
59	Gallatin	Shawneetown	4,903
65	Hamilton	McLeansboro	7,911
69	Hardin	Elizabethtown	3,650
77	Jackson	Murphysboro	52,565
79	Jasper	Newton	9,193
81	Jefferson	Mount Vernon	36,877
87	Johnson	Vienna	13,463
101	Lawrence	Lawrenceville	15,152
121	Marion	Salem	37,390
125	Massac	Metropolis	12,881
133	Monroe	Waterloo	34,932
145	Perry	Pinckneyville	20,985
151	Pope	Golconda	3,779
153	Pulaski	Mound City	5,065
157	Randolph	Chester	30,142
165	Saline	Harrisburg	23,320
163	St. Clair	Belleville	257,400
181	Union	Jonesboro	16,923
185	Wabash	Mount Carmel	11,202
191	Wayne	Fairfield	15,963
193	White	Carmi	13,784
199	Williamson	Marion	66,879

Following the 2020 redistricting, this district will go from covering southeastern Illinois to encompassing the entirety of Southern Illinois, spanning the Illinois-Missouri-Kentucky-Indiana border. It will take in Monroe, Randolph, Clinton, Perry, Jackson, Union, Alexander, Pulaski, Massac, Johnson, Williamson, Jefferson, Marion, Clay, Effingham, Wayne, Hamilton, Saline, Pope, Hardin, Gallatin, White, Edwards, Wabash, Richland, Lawrence, Jasper, Crawford, Cumberland, and Clark Counties, most of St. Clair County, and half of Coles County.

St. Clair County is split between this district and the 13th district. They are partitioned by a Conrail line, Tanglewood Parkway, Donner Ridge, Hollywood Heights Rd, Oliver St, CSX Transportation Line, S Oak St, W 5th St, S Lincoln Ave, E US Highway 50, County Rd 218, Old O'Fallon Rd, Frank Scott Parkway E, N Green Mount Rd, S Green Mount Rd, Park Rd, S 59th St, Old St. Louis Rd, Illinois Highway 15, Rolling Acres Ln, Excellence Dr, Powdermill Creek, Cemetery Rd, and Illinois Highway 50. The 12th district takes in the municipalities of Mascoutah, Lebanon, New Athens, Marissa, Millstadt, Smithton, and Freeburg; most of Shiloh; and half of O'Fallon.

Coles County is split between this district and the 15th district. They are partitioned by West St, North County Rd 1800 East, Lincoln Prairie Grass Trail, 18th St, County Rd 1600 East, County Rd 400 North, County Rd 1240 East, Illinois Route 16, Dettro Dr, 700 North Rd, Old Fellow Rd, and the Kickapoo Creek. The 12th district takes in the municipalities of Ashmore, Oakland, and Lerna; part of southern Mattoon; and part of Charleston.

Presidential election results

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	Al Gore 53% – George W. Bush 44%
2004	President	John Kerry 52% – George W. Bush 48%
2008	President	Barack Obama 55% – John McCain 44%
2012	President	Barack Obama 50% – Mitt Romney 48%
2016	President	Donald Trump 55% – Hillary Clinton 40%
2020	President	Donald Trump 56% – Joe Biden 41%

Recent election results from statewide races

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	Donald Trump 68.5% – Hillary Clinton 26.0%
2016	Senate	Mark Kirk 55.9% – Tammy Duckworth 39.2%
2018	Governor	Bruce Rauner 57.0% – J. B. Pritzker 33.4%
	Attorney General	Erika Harold 66.7% – Kwame Raoul 30.2%
	Secretary of State	Jason Helland 50.8% – Jesse White 47.1%
2020	President	Donald Trump 70.5% – Joe Biden 27.7%
2020	Senate	Mark Curran 66.5% – Dick Durbin 30.9%
2022	Senate	Kathy Salvi 67.9% – Tammy Duckworth 30.3%
	Governor	Darren Bailey 72.4% – J. B. Pritzker 25.2%
	Attorney General	Tom Devore 72.0% – Kwame Raoul 25.6%
	Secretary of State	Dan Brady 72.0% – Alexi Giannoulias 25.8%

List of members representing the district

Name	Party	Years	Cong– ress	Electoral history	Counties
District created March 4, 1863
William Ralls Morrison (Waterloo)	Democratic	March 4, 1863 – March 3, 1865	38th	Elected in 1862. Lost re-election.	1863–1873 Clinton, Madison, Monroe, Randolph, St. Clair, and Washington
Jehu Baker (Belleville)	Republican	March 4, 1865 – March 3, 1869	39th 40th	Elected in 1864. Re-elected in 1866. Retired.
John B. Hay (Belleville)	Republican	March 4, 1869 – March 3, 1873	41st 42nd	Elected in 1868. Re-elected in 1870. Redistricted to the 17th district and lost re-election.
James Carroll Robinson (Springfield)	Democratic	March 4, 1873 – March 3, 1875	43rd	Redistricted from the 8th district and re-elected in 1872. Retired.	1873–1883 Cass, Christian, Menard, Morgan, Sangamon, and Scott
William McKendree Springer (Springfield)	Democratic	March 4, 1875 – March 3, 1883	44th 45th 46th 47th	Elected in 1874. Re-elected in 1876. Re-elected in 1878. Re-elected in 1880. Redistricted to the 13th district .
James M. Riggs (Winchester)	Democratic	March 4, 1883 – March 3, 1887	48th 49th	Elected in 1882. Re-elected in 1884. Retired.	1883–1895 [ data missing ]
George A. Anderson (Quincy)	Democratic	March 4, 1887 – March 3, 1889	50th	Elected in 1886. Retired.
Scott Wike (Pittsfield)	Democratic	March 4, 1889 – March 3, 1893	51st 52nd	Elected in 1888. Re-elected in 1890. Lost renomination.
John James McDannold (Mount Sterling)	Democratic	March 4, 1893– March 3, 1895	53rd	Elected in 1892. Retired.
Joseph Gurney Cannon (Danville)	Republican	March 4, 1895– March 3, 1903	54th 55th 56th 57th	Redistricted from the 15th district and re-elected in 1894. Re-elected in 1896. Re-elected in 1898. Re-elected in 1900. Redistricted to the 18th district .	1895–1903 Iroquois, Kankakee, Vermillion, and Will
Charles Eugene Fuller (Belvidere)	Republican	March 4, 1903– March 3, 1913	58th 59th 60th 61st 62nd	Elected in 1902. Re-elected in 1904. Re-elected in 1906. Re-elected in 1908. Re-elected in 1910. Lost re-election.	1903–1913 Boone, DeKalb, Grundy, Kendall, LaSalle, and Winnebago
William H. Hinebaugh (Ottawa)	Progressive	March 4, 1913– March 3, 1915	63rd	Elected in 1912. Lost re-election.	1913–1949 Boone, DeKalb, Grundy, Kendall, LaSalle, and Winnebago
Charles Eugene Fuller (Belvidere)	Republican	March 4, 1915– June 25, 1926	64th 65th 66th 67th 68th 69th	Elected again in 1914. Re-elected in 1916. Re-elected in 1918. Re-elected in 1920. Re-elected in 1922. Re-elected in 1924. Died.
Vacant		June 25, 1926– March 3, 1927	69th
John T. Buckbee (Rockford)	Republican	March 4, 1927– April 23, 1936	70th 71st 72nd 73rd 74th	Elected in 1926. Re-elected in 1928. Re-elected in 1930. Re-elected in 1932. Re-elected in 1934. Died.
Vacant		April 23, 1936– January 3, 1937	74th
Noah M. Mason (Oglesby)	Republican	January 3, 1937– January 3, 1949	75th 76th 77th 78th 79th 80th	Elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Re-elected in 1944. Re-elected in 1946. Redistricted to the 15th district .
Edgar A. Jonas (Chicago)	Republican	January 3, 1949– January 3, 1955	81st 82nd 83rd	Elected in 1948. Re-elected in 1950. Re-elected in 1952. Lost re-election.	1949–1953 Cook
Edgar A. Jonas (Chicago)	Republican	January 3, 1949– January 3, 1955	81st 82nd 83rd		1953–1963 Cook
Charles A. Boyle (Chicago)	Democratic	January 3, 1955– November 4, 1959	84th 85th 86th	Elected in 1954. Re-elected in 1956. Re-elected in 1958. Died.
Vacant		November 4, 1959– January 3, 1961	86th
Edward Rowan Finnegan (Chicago)	Democratic	January 3, 1961– January 3, 1963	87th	Elected in 1960. Redistricted to the 9th district .
Robert McClory (Lake Bluff)	Republican	January 3, 1963– January 3, 1973	88th 89th 90th 91st 92nd	Elected in 1962. Re-elected in 1964. Re-elected in 1966. Re-elected in 1968. Re-elected in 1970. Redistricted to the 13th district .	1963–1967 Boone, Lake, and McHenry
Robert McClory (Lake Bluff)	Republican	January 3, 1963– January 3, 1973	88th 89th 90th 91st 92nd		1967–1973 Cook, Lake, and McHenry
Phil Crane (McHenry)	Republican	January 3, 1973– January 3, 1993	93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd	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. Redistricted to the 8th district .	1973–1983 Cook and Lake
Phil Crane (McHenry)	Republican	January 3, 1973– January 3, 1993	93rd 94th 95th 96th 97th 98th 99th 100th 101st 102nd		1983–1993 Cook, Lake, and McHenry
Jerry Costello (Belleville)	Democratic	January 3, 1993– January 3, 2013	103rd 104th 105th 106th 107th 108th 109th 110th 111th 112th	Redistricted from the 21st district and 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. Re-elected in 2006. Re-elected in 2008. Re-elected in 2010. Retired.	1993–2003 Alexander, Jackson, Madison, Monroe, Perry, Randolph, St. Clair, Union, and Williamson
Jerry Costello (Belleville)	Democratic	January 3, 1993– January 3, 2013	103rd 104th 105th 106th 107th 108th 109th 110th 111th 112th		2003–2013 Alexander, Franklin, Jackson, Madison, Monroe, Perry, Pulaski, Randolph, St. Clair, Union, Williamson
William Enyart (Belleville)	Democratic	January 3, 2013– January 3, 2015	113th	Elected in 2012. Lost re-election.	2013–2023 Alexander, Franklin, Jackson, Jefferson, Madison, Monroe, Perry, Pulaski, Randolph, St. Clair, Union, and Williamson
Mike Bost (Murphysboro)	Republican	January 3, 2015– present	114th 115th 116th 117th 118th	Elected in 2014. Re-elected in 2016. Re-elected in 2018. Re-elected in 2020. Re-elected in 2022.
Mike Bost (Murphysboro)	Republican	January 3, 2015– present	114th 115th 116th 117th 118th		2023–present Alexander, Clark, Clay, Clinton, Coles (part), Crawford, Cumberland, Edwards, Effingham, Franklin, Gallatin, Hamilton, Hardin, Jackson, Jasper, Jefferson, Johnson, Lawrence, Marion, Massac, Monroe, Perry, Pope, Pulaski, Randolph, Richland, Saline, St. Clair (part), Union, Wabash, Washington, Wayne, White, and Williamson

Elections

2012

Illinois's 12th congressional district election results, 2012^[4]
Party		Candidate	Votes	%
	Democratic	William Enyart	157,000	51.7
	Republican	Jason Plummer	129,902	42.7
	Green	Paula Bradshaw	17,045	5.6
	Write-in	Shon-Tiyon Horton	2	0.0
Total votes			303,947	100

2014

Illinois's 12th congressional district, 2014^[5]
Party		Candidate	Votes	%
	Republican	Mike Bost	110,038	52.5
	Democratic	William Enyart (incumbent)	87,860	41.9
	Green	Paula Bradshaw	11,840	5.6
Total votes			209,738	100.0
	Republican gain from Democratic

2016

Illinois's 12th congressional district, 2016^[6]
Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	169,976	54.3
	Democratic	C.J. Baricevic	124,246	39.7
	Green	Paula Bradshaw	18,780	6.0
Total votes			313,002	100.0
	Republican hold

2018

Illinois's 12th congressional district, 2018^[7]
Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	134,884	51.6
	Democratic	Brendan Kelly	118,724	45.4
	Green	Randall Auxier	7,935	3.0
Total votes			261,543	100.0
	Republican hold

2020

Illinois's 12th congressional district, 2020^[8]^[9]
Party		Candidate	Votes	%	±%
	Republican	Mike Bost (incumbent)	194,839	60.43	+8.86%
	Democratic	Raymond Lenzi	127,577	39.57	−5.82%
Total votes			322,416	100.0
	Republican hold

2022

Illinois's 12th congressional district, 2022
Party		Candidate	Votes	%
	Republican	Mike Bost (incumbent)	218,379	75.00
	Democratic	Chip Markel	72,791	25.00
	Write-in		1	0.00
Total votes			291,171	100.0
	Republican hold

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References

↑ "My Congressional District".
1 2 "2022 Cook PVI: District Map and List". Cook Political Report. July 12, 2022. Retrieved January 10, 2023.
↑ Illinois Congressional District 12 Archived January 26, 2017, at the Wayback Machine , Illinois Board of Elections
↑ "2012 General Election Official Vote Totals" (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 19, 2013. Retrieved March 26, 2012.
↑ "Illinois General Election 2014". Illinois State Board of Elections. November 4, 2014. Retrieved December 18, 2014.
↑ "Illinois General Election 2016". Illinois State Board of Elections. November 8, 2016. Archived from the original on March 27, 2019. Retrieved December 13, 2016.
↑ "2018 General Election Official Vote Totals Book".
↑ "Election Results 2020 GENERAL ELECTION". Illinois State Board of Elections. December 4, 2020. Retrieved December 4, 2020.
↑ "Illinois 2020 Election Results". Chicago Sun-Times . November 20, 2020. Retrieved November 20, 2020.

Sources

Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.
Congressional Biographical Directory of the United States 1774–present, bioguide.congress.gov; accessed November 10, 2016.

External links

Washington Post page on the 12th District of Illinois
U.S. Census Bureau - 5th District Fact Sheet Archived September 28, 2011, at the Wayback Machine

38°00′N89°15′W / 38.000°N 89.250°W / 38.000; -89.250

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[1] "My Congressional District".

[Cook-2] 1 2 "2022 Cook PVI: District Map and List". Cook Political Report. July 12, 2022. Retrieved January 10, 2023.

[3] Illinois Congressional District 12 Archived January 26, 2017, at the Wayback Machine , Illinois Board of Elections

[genelex-4] "2012 General Election Official Vote Totals" (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 19, 2013. Retrieved March 26, 2012.

[5] "Illinois General Election 2014". Illinois State Board of Elections. November 4, 2014. Retrieved December 18, 2014.

[6] "Illinois General Election 2016". Illinois State Board of Elections. November 8, 2016. Archived from the original on March 27, 2019. Retrieved December 13, 2016.

[Generalresults-7] "2018 General Election Official Vote Totals Book".

[ILSBE-8] "Election Results 2020 GENERAL ELECTION". Illinois State Board of Elections. December 4, 2020. Retrieved December 4, 2020.

[STGeneral-9] "Illinois 2020 Election Results". Chicago Sun-Times . November 20, 2020. Retrieved November 20, 2020.

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