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.
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. 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
15,088
25
Clay
Louisville
12,999
27
Clinton
Carlyle
36,785
29
Coles
Charleston
46,060
33
Crawford
Robinson
18,300
35
Cumberland
Toledo
10,261
47
Edwards
Albion
5,968
49
Effingham
Effingham
34,331
59
Gallatin
Shawneetown
4,670
65
Hamilton
McLeansboro
7,911
69
Hardin
Elizabethtown
3,569
77
Jackson
Murphysboro
52,141
79
Jasper
Newton
9,144
81
Jefferson
Mount Vernon
36,320
87
Johnson
Vienna
13,326
101
Lawrence
Lawrenceville
14,813
121
Marion
Salem
36,673
125
Massac
Metropolis
13,661
133
Monroe
Waterloo
34,957
145
Perry
Pinckneyville
20,503
151
Pope
Golconda
3,707
153
Pulaski
Mound City
4,911
157
Randolph
Chester
29,815
165
Saline
Harrisburg
22,873
163
St. Clair
Belleville
251,018
181
Union
Jonesboro
16,667
185
Wabash
Mount Carmel
10,942
191
Wayne
Fairfield
15,761
193
White
Carmi
13,401
199
Williamson
Marion
66,706
Belleville – 42,404O'Fallon – 32,289Carbondale – 25,083Charleston – 17,286Mattoon – 16,870Marion – 16,855Fairview Heights – 16,706Mount Vernon – 14,600Shiloh – 14,098Herrin – 12,352Effingham – 12,252Centralia – 12,182Waterloo – 11,013Columbia – 10,999
Mascoutah – 8,754Olney – 8,701Harrisburg – 8,219Chester – 7,640Salem – 7,282West Frankfort – 7,275Robinson – 7,150Murphysboro – 7,093Mount Carmel – 7,015Benton – 6,709Metropolis – 5,969Carterville – 5,848Du Quoin – 5,827Pinckneyville – 5,066Fairfield – 4,883Carmi – 4,865Flora – 4,803Lebanon – 4,691Breese – 4,641Freeburg – 4,582Caseyville – 4,400Anna – 4,303Lawrenceville – 4,164Sparta – 4,095Millstadt – 4,071Smithton – 4,006Marshall – 3,947Red Bud – 3,804Eldorado – 3,743Scott AFB – 3,612New Baden – 3,428Johnston City – 3,384Carlyle – 3,253Nashville – 3,105Newton – 2,777Christopher – 2,697Trenton – 2,690McLeansboro – 2,675Sumner – 2,631Following 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 , Freeburg , Summerfield , Scott AFB , Rentchler , Floraville , Paderborn , Fayetteville , St. Libory , Darmstadt , and Lenzburg ; most of Shiloh ; half of O'Fallon ; and part of Caseyville , Fairview Heights , and Belleville .
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 communities of Ashmore , Oakland , Lerna , Janesville (shared with Cumberland County), and Trilla ; 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.
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.
List of members representing the district
Name
Party
Years
Cong–
Electoral history
Counties
District created March 4, 1863
William Ralls Morrison (Waterloo )
Democratic
March 4, 1863 –
38th
Elected in 1862 .1863–1873 Clinton , Madison , Monroe , Randolph , St. Clair , and Washington
Jehu Baker (Belleville )
Republican
March 4, 1865 –
39th 40th
Elected in 1864 .Re-elected in 1866 .
John B. Hay (Belleville )
Republican
March 4, 1869 –
41st 42nd
Elected in 1868 .Re-elected in 1870 .Redistricted to the 17th district
James Carroll Robinson (Springfield )
Democratic
March 4, 1873 –
43rd
Redistricted from the 8th district re-elected in 1872 .1873–1883 Cass , Christian , Menard , Morgan , Sangamon , and Scott
William McKendree Springer (Springfield )
Democratic
March 4, 1875 –
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 –
48th 49th
Elected in 1882 .Re-elected in 1884 .1883–1895 [data missing
George A. Anderson (Quincy )
Democratic
March 4, 1887 –
50th
Elected in 1886 .
Scott Wike (Pittsfield )
Democratic
March 4, 1889 –
51st 52nd
Elected in 1888 .Re-elected in 1890 .
John James McDannold (Mount Sterling )
Democratic
March 4, 1893–
53rd
Elected in 1892 .
Joseph Gurney Cannon (Danville )
Republican
March 4, 1895–
54th 55th 56th 57th
Redistricted from the 15th district 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–
58th 59th 60th 61st 62nd
Elected in 1902 .Re-elected in 1904 .Re-elected in 1906 .Re-elected in 1908 .Re-elected in 1910 .1903–1913 Boone , DeKalb , Grundy , Kendall , LaSalle , and Winnebago
William H. Hinebaugh (Ottawa )
Progressive
March 4, 1913–
63rd
Elected in 1912 .1913–1949 Boone , DeKalb , Grundy , Kendall , LaSalle , and Winnebago
Charles Eugene Fuller (Belvidere )
Republican
March 4, 1915–
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 .
Vacant
June 25, 1926–
69th
John T. Buckbee (Rockford )
Republican
March 4, 1927–
70th 71st 72nd 73rd 74th
Elected in 1926 .Re-elected in 1928 .Re-elected in 1930 .Re-elected in 1932 .Re-elected in 1934 .
Vacant
April 23, 1936–
74th
Noah M. Mason (Oglesby )
Republican
January 3, 1937–
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–
81st 82nd 83rd
Elected in 1948 .Re-elected in 1950 .Re-elected in 1952 .1949–1953 Cook
1953–1963 Cook
Charles A. Boyle (Chicago )
Democratic
January 3, 1955–
84th 85th 86th
Elected in 1954 .Re-elected in 1956 .Re-elected in 1958 .
Vacant
November 4, 1959–
86th
Edward Rowan Finnegan (Chicago )
Democratic
January 3, 1961–
87th
Elected in 1960 .Redistricted to the 9th district
Robert McClory (Lake Bluff )
Republican
January 3, 1963–
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
1967–1973 Cook , Lake , and McHenry
Phil Crane (McHenry )
Republican
January 3, 1973–
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
1983–1993 Cook , Lake , and McHenry
Jerry Costello (Belleville )
Democratic
January 3, 1993–
103rd 104th 105th 106th 107th 108th 109th 110th 111th 112th
Redistricted from the 21st district 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 .1993–2003 Alexander , Jackson , Madison , Monroe , Perry , Randolph , St. Clair , Union , and Williamson
2003–2013 Alexander , Franklin , Jackson , Madison , Monroe , Perry , Pulaski , Randolph , St. Clair , Union , Williamson
William Enyart (Belleville )
Democratic
January 3, 2013–
113th
Elected in 2012 .2013–2023 Alexander , Franklin , Jackson , Jefferson , Madison , Monroe , Perry , Pulaski , Randolph , St. Clair , Union , and Williamson
Mike Bost (Murphysboro )
Republican
January 3, 2015–
114th 115th 116th 117th 118th
Elected in 2014 .Re-elected in 2016 .Re-elected in 2018 .Re-elected in 2020 .Re-elected in 2022 .Re-elected in 2024 .
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
This section
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adding to it .
(March 2015 )
2012
2014
2016
2018
2020
2022
See also
References
^ "My Congressional District" .^ "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 . 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
38°00′N 89°15′W / 38.000°N 89.250°W / 38.000; -89.250
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