Illinois House District 105: 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.
123 precincts · District lines: State house 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 President121 precinctsIllinois State Board of ElectionsOfficial vote | Donald J. Trump (R)39,053 · 61.2% | Joseph R. Biden (D)23,178 · 36.3% | R+24.9 | 63,864 | Illinois State Board of ElectionsOfficial vote |
| 2020 U.S. Senate121 precinctsIllinois State Board of ElectionsOfficial vote | Mark C. Curran Jr. (R)37,711 · 59.8% | Richard J. Durbin (D)23,024 · 36.5% | R+23.3 | 63,018 | 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
State Representative, District 105
2020 General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Dan BradyRepublican | Republican | 35,324 | 62.7% |
| Chemberly CummingsDemocrat | Democrat | 21,050 | 37.3% |
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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