Illinois 10th Congressional District: 2020 election
District Lines
The district lines on file took effect in 2022. The 2020 election used the lines before them, which are not on file yet; the map below draws today's lines.
535 precincts · District lines: Congressional lines: U.S. Census Bureau (1:500,000 cartographic boundary, 119th Congress) · 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; Lake County IL GIS, LakeCounty_PoliticalBoundaries FeatureServer/7 (Voting Precincts); 2022 and 2024 generals; McHenry County GIS, Voting_Precincts FeatureServer/0; 2022 and 2024 generals
2020 Results in This District
| Contest | First | Second | Margin | Votes | Source |
|---|---|---|---|---|---|
| 2020 President456 precinctsIllinois State Board of ElectionsOfficial vote | Joseph R. Biden (D)226,076 · 61.5% | Donald J. Trump (R)132,981 · 36.2% | D+25.3 | 367,450 | Illinois State Board of ElectionsOfficial vote |
| 2020 U.S. Senate456 precinctsIllinois State Board of ElectionsOfficial vote | Richard J. Durbin (D)208,427 · 57.3% | Mark C. Curran Jr. (R)140,558 · 38.6% | D+18.6 | 363,947 | 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.
2020 Results
Representative in Congress, District 10
2020 General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Brad SchneiderDemocrat | Democrat | 202,402 | 63.8% |
| Valerie Ramirez MukherjeeRepublican | Republican | 114,442 | 36.1% |
| Write-in | 375 | 0.1% | |
| Joseph W. Kopsick | 18 | 0.0% | |
| David Rych | 12 | 0.0% |
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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