| State: | Illinois |
| District: | 12 |
| Chamber: | House of Representatives |
| Representative: | Margaret Croke |
| Party: | Democratic |
| Residence: | Chicago |
| Incumbentsince: | 2021 |
| Percent White: | 74.3 |
| Percent Black: | 5.0 |
| Percent Hispanic: | 8.5 |
| Percent Asian: | 7.7 |
| Percent Native American: | 0.1 |
| Percent Pacific Islander: | 0.0 |
| Percent Multiracial: | 3.9 |
| Percent Other Race: | 0.4 |
| Population: | 118,591 |
| Population Year: | 2020 |
| Created: | 1983–present 1849–1873, 1957–1973 |
| Notes: | https://data.census.gov/cedsci/table?t=Hispanic%20or%20Latino%3APopulation%20Total&g=0400000US17%246200000&y=2020&tid=DECENNIALPL2020.P2 |
Illinois's 12th House of Representatives district is a Representative district within the Illinois House of Representatives located in Cook County, Illinois. It has been represented by Democrat Margaret Croke since January 2, 2021. The district was previously represented by Democrat Yoni Pizer for ten months in 2020.
The district includes parts of the Chicago neighborhoods of Lake View, Lincoln Park, and Near North Side.[1]
| Representative[2] | Party | Years | General Assembly (GA) | Electoral History | Counties Represented | |
|---|---|---|---|---|---|---|
| 12th Representative district established with 1848 Illinois Constitution. | ||||||
| Joshua P. Cooper | Democratic[3] | January 1, 1849 – January 6, 1851 | 16th | Elected in 1848 Was not re-elected in 1850. | Clark | |
| T. C. Moore | Unknown | January 6, 1851 – January 3, 1853 | 17th | Elected in 1850 Was not re-elected in 1852. | ||
| Uri Manley | Democratic[4] | January 3, 1853 – January 1, 1855 | 18th | Elected in 1852 Was not re-elected in 1854. | ||
| District now elects two representatives with 1855 Apportionment. | ||||||
| Representative | Party | Party Control | Years | General Assembly (GA) | Electoral History | Counties Represented | |
|---|---|---|---|---|---|---|---|
| District now elects two representatives with 1855 Apportionment. | |||||||
| William C. Kinney | Democratic[5] | 2 Democrats | January 1, 1855 – January 5, 1857 | 19th | Elected in 1854 Was not re-elected in 1856. | St. Clair | |
| Albert H. Trapp | |||||||
| Vital Jarrot | Republican[6] | 1 Republican 1 Unknown | January 5, 1857 – January 5, 1863 | 20th 21st 22nd | Elected in 1856 Re-elected in 1858 Re-elected in 1860 Was not re-elected in 1862. | ||
| William W. Roman | Unknown | January 5, 1857 – January 3, 1859 | 20th | Elected in 1856 Was not re-elected in 1858 | |||
| John Scheel | Republican | 2 Republicans | January 3, 1859 – January 7, 1861 | 21st | Elected in 1858 Was not re-elected in 1860. | ||
| Samuel Stookey | Unknown | 1 Republican 1 Unknown | January 7, 1861 – January 5, 1863 | 22nd | Elected in 1860 Was not re-elected in 1862. | ||
| District now elects one representative with 1861 Apportionment. | |||||||
| Representative | Party | Years | General Assembly (GA) | Electoral History | Counties Represented | |
|---|---|---|---|---|---|---|
| District now elects one representative with 1861 Apportionment. | ||||||
| John W. Westcott | Unknown | January 5, 1863 – January 2, 1865 | 23rd | Elected in 1862 Was not re-elected in 1864. | Clay Richland | |
| Lewis W. Miller | Democratic[7] | January 2, 1865 – January 7, 1867 | 24th | Elected in 1864 Was not re-elected in 1866. | ||
| Eli Bower | Unknown | January 7, 1867 – January 4, 1869 | 25th | Elected in 1866 Was not re-elected in 1868. | ||
| Alex W. Bothwell | Republican[8] | January 4, 1869 – January 4, 1871 | 26th | Elected in 1868 Was not re-elected in 1870. | ||
| W. W. Barr | Democratic[9] | January 4, 1871 – January 8, 1873 | 27th | Elected in 1870 Was not re-elected in 1872. | Franklin | |
| District abolished with 1872 Reapportionment as 3 Representatives were now elected cumulatively from Legislative districts. | ||||||
| Representative | Party | Party Control | Years | General Assembly (GA) | Electoral History | Counties Represented | |
|---|---|---|---|---|---|---|---|
| District re-established in 1957. | |||||||
| Charles H. Kordowski | Democratic | 2 Democrats 1 Republican | January 9, 1957 – January 4, 1961 | 70th 71st | Elected in 1956 Re-elected in 1958 Retired. | Cook | |
| Kenneth W. Course | January 9, 1957 – January 6, 1965 | 70th 71st 72nd 73rd | Elected in 1956 Re-elected in 1958 Re-elected in 1960 Re-elected in 1962 Ran in the At-large district election and won re-election in 1964. | ||||
| Charles O. Miller | Republican | Elected in 1956 Re-elected in 1958 Re-elected in 1960 Re-elected in 1962 Ran in the At-large district election and lost re-election in 1964. | |||||
| LaSalle J. Michaels | Democratic | January 4, 1961 – January 6, 1965 | 72nd 73rd | Elected in 1960 Re-elected in 1962 Ran in the At-large district election and won re-election in 1964. | |||
| The district was temporarily abolished from 1965 to 1967 due to the Redistricting Commission in 1963 failing to reach an agreement. An at-large election was held electing 177 Representatives from across the state. | |||||||
| Paul J. Randolph | Republican | 2 Democrats 1 Republican | January 4, 1967 – January 10, 1973 | 75th 76th 77th | Re-districted from At-large district and re-elected in 1966 Re-elected in 1968 Re-elected in 1970 Redistricted to the 13th Legislative district and re-elected in 1972. | Cook | |
| Edward P. Wolbank | Democratic | January 4, 1967 – January 13, 1971 | 75th 76th | Re-districted from At-large district and re-elected in 1966 Re-elected in 1968 Lost election for Illinois's 9th congressional district in 1970. | |||
| William J. Schoeninger | January 4, 1967 – January 8, 1969 | 75th | Re-districted from At-large district and re-elected in 1966 Elected state Senator from the 12th Legislative district in 1968. | ||||
| Robert L. Thompson | January 8, 1969 – January 13, 1971 | 76th 77th | Elected in 1968 Re-elected in 1970 Redistricted to the 13th Legislative district and re-elected in 1972. | ||||
| Ira Colitz | January 13, 1971 – January 10, 1973 | 77th | Elected in 1970 Redistricted to the 13th Legislative district and lost renomination in 1972. | ||||
| District abolished with 1971 Reapportionment as Representatives were once again elected from Legislative districts. | |||||||
| Representative | Party | Years | General Assembly (GA) | Electoral History | Counties Represented | |
|---|---|---|---|---|---|---|
| District re-established with representatives now elected one per district with the passage of the Cutback Amendment | ||||||
| Alfred Ronan | Democratic | January 12, 1983 – 1992/1993 | 83rd 84th 85th 86th 87th | Elected in 1982 Re-elected in 1984 Re-elected in 1986 Re-elected in 1988 Re-elected in 1990 Retired before the end of the 87th GA. | Cook | |
| Vacant | 1992/1993 – 1992/1993 | 87th | ||||
| Charles A. Lomanto | Democratic | 1992/1993 – January 13, 1993 | Appointed to serve the remainder of Ronan's term. | |||
| Ellis B. Levin | January 13, 1993 – January 11, 1995 | 88th | Redistricted from the 5th Legislative district and re-elected in 1992 Lost renomination in 1994. | |||
Sara Feigenholtz | January 11, 1995 – January 21, 2020 | 89th 90th 91st 92nd 93rd 94th 95th 96th 97th 98th 99th 100th 101st | 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 Re-elected in 2012 Re-elected in 2014 Re-elected in 2016 Re-elected in 2018 Appointed state Senator from the 6th Legislative district in 2020. | |||
| Vacant | January 21, 2020 – February 9, 2020 | 101st | ||||
Yoni Pizer | Democratic | February 9, 2020 – December 31, 2020 | Appointed, lost renomination, and resigned his seat in 2020. | |||
| Vacant | December 31, 2020 – January 2, 2021 | |||||
| Margaret Croke | Democratic | January 2, 2021 – present | 101st 102nd 103rd | Elected in 2020 and appointed in 2021 Re-elected in 2022 | ||
| Years | County | Municipalities/Townships | Notes | |
|---|---|---|---|---|
| 2023 – present | Cook | Chicago (Lake View, Lincoln Park, Near North Side) | [10] | |
| 2013 – 2023 | Chicago (Lake View, Lincoln Park, Near North Side, Uptown) | [11] | ||
| 2003 – 2013 | Chicago | [12] | ||
| 1993 – 2003 | Chicago | [13] | ||
| 1983 – 1993 | Chicago | [14] | ||
| 1967 – 1973 | Chicago | [15] | ||
| 1957 – 1965 | Chicago | [16] | ||
| 1871 – 1873 | Franklin | Airfield, Benton, Big Muddy, Cave, Crittenden, Ewing, Fitts Hill, Frankfort (West Frankfort), Greenville, Little Muddy, Marcy, Mulkeytown, Osage, Parish, Plain View, Taylor Hill, Town Mount, Webb's Prairie | [17] [18] [19] | |
| 1863 – 1871 | Clay Richland | Claremont, Clay City, Fairview, Flora, Georgetown, Gordon, Hadley, Horde, Larkingsburg, Louisville, Matthew's Mill, Maysville, Noble, Olney, Oskaloosa, Parkersburg, Stringtown, Wakefield, Xenia | [20] [21] [22] | |
| 1855 – 1863 | St. Clair | Athens (New Athens), Belleville, Cahokia, Caseyville, Centreville, Collinsville, Darmstadt, Fayetteville, French Village, Georgetown, Hilltown, Illinois City, Illinoistown, Jefferson, Lebanon, Lenzburg, Lively, Marissa, Mascoutah, Millstadt, O'Fallon, Prairie du Pont, Shiloh, Smithton, Stringtown, Summerfield, Urbana, Wiggins Ferry | [23] [24] [25] | |
| 1849 – 1855 | Clark | Casey, Darwin, Johnstons Mills, Livingston, Margaretta, Marshall, Martinsville, Melrose, Parkers Prairie, Sterling, Westfield | [26] [27] [28] [29] |