Illinois Senate District 21: 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.
140 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
2020 Results in This District
| Contest | First | Second | Margin | Votes | Source |
|---|---|---|---|---|---|
| 2020 President215 precinctsIllinois State Board of ElectionsOfficial vote | Joseph R. Biden (D)77,666 · 61.2% | Donald J. Trump (R)45,744 · 36.1% | D+25.2 | 126,834 | Illinois State Board of ElectionsOfficial vote |
| 2020 U.S. Senate215 precinctsIllinois State Board of ElectionsOfficial vote | Richard J. Durbin (D)72,197 · 57.3% | Mark C. Curran Jr. (R)48,344 · 38.4% | D+18.9 | 126,035 | 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
No certified 2020 results for this seat are loaded yet.
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