Illinois Senate District 12
State Senate District 12
Covers part of Cook County.
Who Holds This Seat
Running in 2026
Democrat · State Senator
- Ballot
- On the 2026 ballot
- Last Change
- Profile updated · Oct 4
- Raised
- Not on file
- Cash on Hand
- Not on file
No finance filing on record.
The District
Includes Chicago (part) and Cicero (part).
86 precincts · District lines: State senate lines: U.S. Census Bureau (1:500,000 cartographic boundary) · Precinct lines: Chicago Board of Election Commissioners, Boundaries - Ward Precincts (2023-2024) (data.cityofchicago.org 6piy-vbxa) for the City of Chicago; Cook County Clerk, Suburban Cook Election Precincts - Current (datacatalog.cookcountyil.gov k7sw-w3b8); DuPage County, Election_Precincts layer (gis.dupageco.org, current, retrieved 2026-09-24); U.S. Census Bureau 2020 VTDs elsewhere in Illinois; U.S. Census Bureau 2020 TIGER/Line VTDs where no official layer; Cook County 2020 elections: U.S. Census Bureau 2020 voting districts
Results in This District
| Contest | First | Second | Margin | Votes | Source |
|---|---|---|---|---|---|
| 2024 President86 precinctsIllinois State Board of ElectionsOfficial vote | Kamala D. Harris (D)36,538 · 67.6% | Donald J. Trump (R)15,992 · 29.6% | D+38.0 | 54,080 | Illinois State Board of ElectionsOfficial vote |
| 2022 U.S. Senate86 precinctsIllinois State Board of ElectionsOfficial vote | Tammy Duckworth (D)26,646 · 80.5% | Kathy Salvi (R)5,769 · 17.4% | D+63.1 | 33,110 | Illinois State Board of ElectionsOfficial vote |
| 2022 Governor86 precinctsIllinois State Board of ElectionsOfficial vote | Jb Pritzker (D)26,447 · 79.2% | Darren Bailey (R)6,084 · 18.2% | D+61.0 | 33,377 | Illinois State Board of ElectionsOfficial vote |
| 2020 President119 precinctsIllinois State Board of ElectionsOfficial vote | Joseph R. Biden (D)50,638 · 80.1% | Donald J. Trump (R)11,002 · 17.4% | D+62.7 | 63,205 | Illinois State Board of ElectionsOfficial vote |
| 2020 U.S. Senate119 precinctsIllinois State Board of ElectionsOfficial vote | Richard J. Durbin (D)47,762 · 77.8% | Mark C. Curran Jr. (R)7,317 · 11.9% | D+65.9 | 61,415 | Illinois State Board of ElectionsOfficial vote |
Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.
Past Results
State Senator, District 12
2022 General Election · Nov 8, 2022| Candidate | Party | Votes | Share |
|---|---|---|---|
| Celina VillanuevaDemocrat | Democrat | 23,303 | 100.0% |
Official vote — Illinois State Board of Elections (certified canvass, precinct vote totals by election authority) · Illinois State Board of Elections — Election Vote Totals by Precinct
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