2020 Illinois State House Election
Illinois · State
General Election
November 3, 2020
Contests
118
Candidates
199
Valid votes
5,404,047
Party results
| Party | Votes | Vote % | Seats | Seats % | Seat change vs 2018 |
|---|---|---|---|---|---|
| Democratic | 3,157,943 | 58.4% | 73 | 61.9% | −1 |
| Republican | 2,113,389 | 39.1% | 45 | 38.1% | +1 |
| Libertarian | 62,388 | 1.2% | 0 | 0.0% | — |
| Independent | 41,993 | 0.8% | 0 | 0.0% | — |
| Green | 20,992 | 0.4% | 0 | 0.0% | — |
Show 2 more parties
| Party | Votes | Vote % | Seats | Seats % | Seat change vs 2018 |
|---|---|---|---|---|---|
| Constitution | 5,092 | 0.1% | 0 | 0.0% | — |
| Pro-Gun Pro-Life Party | 2,250 | 0.0% | 0 | 0.0% | — |
| Party | 2018 seats | 2020 seats | Change | 2018 Vote % | 2020 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 74 | 73 | −1 | 56.2% | 58.4% | +2.2 pp |
| Republican | 44 | 45 | +1 | 43.8% | 39.1% | −4.7 pp |
Seat changes by party
118 → 118 seats
| Party | 2010 seats | 2020 seats | Change | 2010 Vote % | 2020 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 64 | 73 | +9 | 47.2% | 58.4% | +11.2 pp |
| Republican | 54 | 45 | −9 | 51.1% | 39.1% | −12.0 pp |
Seat changes by party
118 → 118 seats
| Party | 2012 seats | 2020 seats | Change | 2012 Vote % | 2020 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 71 | 73 | +2 | 54.6% | 58.4% | +3.8 pp |
| Republican | 47 | 45 | −2 | 44.3% | 39.1% | −5.2 pp |
Seat changes by party
118 → 118 seats
| Party | 2016 seats | 2020 seats | Change | 2016 Vote % | 2020 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 67 | 73 | +6 | 52.3% | 58.4% | +6.1 pp |
| Republican | 51 | 45 | −6 | 47.5% | 39.1% | −8.4 pp |
Seat changes by party
118 → 118 seats
| Party | 2018 seats | 2020 seats | Change | 2018 Vote % | 2020 Vote % | Vote share Δ |
|---|---|---|---|---|---|---|
| Democratic | 74 | 73 | −1 | 56.2% | 58.4% | +2.2 pp |
| Republican | 44 | 45 | +1 | 43.8% | 39.1% | −4.7 pp |
Seat changes by party
118 → 118 seats
Historical trends
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 1, 2010 | 64 | 54 |
| November 1, 2012 | 71 | 47 |
| November 1, 2016 | 67 | 51 |
| November 1, 2018 | 74 | 44 |
| November 3, 2020 | 73 | 45 |
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 1, 2010 | 64 | 54 |
| November 1, 2012 | 71 | 47 |
| November 1, 2016 | 67 | 51 |
| November 1, 2018 | 74 | 44 |
| November 3, 2020 | 73 | 45 |
Democratic Republican
Chart data
| Election | Democratic | Republican |
|---|---|---|
| November 1, 2010 | 47.2% | 51.1% |
| November 1, 2012 | 54.6% | 44.3% |
| November 1, 2016 | 52.3% | 47.5% |
| November 1, 2018 | 56.2% | 43.8% |
| November 3, 2020 | 58.4% | 39.1% |
District results
118 contests
Swipe to compare parties · Tap a district for full results
| District | Dem | Rep | Libertarian | ||||
|---|---|---|---|---|---|---|---|
| Votes | Vote % | Votes | Vote % | Votes | Vote % | ||
| 31,61351.7% | 51.7% | 29,55848.3% | 48.3% | —— | — | 61,171 | |
| 30,00548.1% | 48.1% | 32,34951.9% | 51.9% | —— | — | 62,354 | |
| 23,849100.0% | 100.0% | —— | — | —— | — | 23,849 | |
| 31,229100.0% | 100.0% | —— | — | —— | — | 31,240 | |
| 26,59046.8% | 46.8% | 30,24653.2% | 53.2% | —— | — | 56,836 | |
| 34,949100.0% | 100.0% | —— | — | —— | — | 34,949 | |
| 29,52846.0% | 46.0% | 34,64654.0% | 54.0% | —— | — | 64,174 | |
| 33,30353.8% | 53.8% | 28,62846.2% | 46.2% | —— | — | 61,931 | |
| 29,28854.2% | 54.2% | 24,72545.8% | 45.8% | —— | — | 54,013 | |
| 27,66143.6% | 43.6% | 35,81756.4% | 56.4% | —— | — | 63,478 | |
| 32,54849.1% | 49.1% | 33,69750.9% | 50.9% | —— | — | 66,245 | |
| 24,96243.1% | 43.1% | 31,42654.3% | 54.3% | —— | — | 57,909 | |
| 40,255100.0% | 100.0% | —— | — | —— | — | 40,255 | |
| 28,01748.2% | 48.2% | 30,12151.8% | 51.8% | —— | — | 58,138 | |
| 31,77072.6% | 72.6% | —— | — | 12,00027.4% | 27.4% | 43,770 | |
| 28,82157.6% | 57.6% | 21,22242.4% | 42.4% | —— | — | 50,043 | |
| 32,397100.0% | 100.0% | —— | — | —— | — | 32,397 | |
| 43,648100.0% | 100.0% | —— | — | —— | — | 43,648 | |
| 36,940100.0% | 100.0% | —— | — | —— | — | 36,940 | |
| 25,886100.0% | 100.0% | —— | — | —— | — | 25,886 | |
Parties with seats, or the top three by votes. Valid votes include all candidates.
| District | Elected | Runner-up | |
|---|---|---|---|
Janet Yang RohrDem31,613 votes · 51.7%Runner-upGrant WehrliRep29,558 votes · 48.3% | Grant WehrliRep29,558 votes · 48.3% | 3.4percentage points | |
Amy L. GrantRep32,349 votes · 51.9%Runner-upKen Mejia-BealDem30,005 votes · 48.1% | Ken Mejia-BealDem30,005 votes · 48.1% | 3.8percentage points | |
| Anna MoellerDem23,849 votes · 100.0% | — | — | |
Fred CrespoDem31,229 votes · 100.0%Runner-upTodd W. ZimmermanInd11 votes · 0.0% | Todd W. ZimmermanInd11 votes · 0.0% | 99.9percentage points | |
Seth LewisRep30,246 votes · 53.2%Runner-upDiane PappasDem26,590 votes · 46.8% | Diane PappasDem26,590 votes · 46.8% | 6.4percentage points | |
| Deb ConroyDem34,949 votes · 100.0% | — | — | |
Deanne Marie MazzochiRep34,646 votes · 54.0%Runner-upJennifer ZordaniDem29,528 votes · 46.0% | Jennifer ZordaniDem29,528 votes · 46.0% | 8.0percentage points | |
Terra Costa HowardDem33,303 votes · 53.8%Runner-upPeter BreenRep28,628 votes · 46.2% | Peter BreenRep28,628 votes · 46.2% | 7.6percentage points | |
Maura HirschauerDem29,288 votes · 54.2%Runner-upLaura CurtisRep24,725 votes · 45.8% | Laura CurtisRep24,725 votes · 45.8% | 8.5percentage points | |
Keith R. WheelerRep35,817 votes · 56.4%Runner-upKate MonteleoneDem27,661 votes · 43.6% | Kate MonteleoneDem27,661 votes · 43.6% | 12.9percentage points | |
Chris BosRep33,697 votes · 50.9%Runner-upMary Edly-AllenDem32,548 votes · 49.1% | Mary Edly-AllenDem32,548 votes · 49.1% | 1.7percentage points | |
MARTIN McLAUGHLINRep31,426 votes · 54.3%Runner-upMarci SuelzerDem24,962 votes · 43.1% | Marci SuelzerDem24,962 votes · 43.1% | 11.2percentage points | |
| Mark L. WalkerDem40,255 votes · 100.0% | — | — | |
Thomas R. "Tom" MorrisonRep30,121 votes · 51.8%Runner-upMaggie TrevorDem28,017 votes · 48.2% | Maggie TrevorDem28,017 votes · 48.2% | 3.6percentage points | |
Martin J. MoylanDem31,770 votes · 72.6%Runner-upGlenn OlofsonLibertarian12,000 votes · 27.4% | Glenn OlofsonLibertarian12,000 votes · 27.4% | 45.2percentage points | |
Michelle MussmanDem28,821 votes · 57.6%Runner-upScott KegariseRep21,222 votes · 42.4% | Scott KegariseRep21,222 votes · 42.4% | 15.2percentage points | |
| Jonathan CarrollDem32,397 votes · 100.0% | — | — | |
| Bob MorganDem43,648 votes · 100.0% | — | — | |
| Daniel DidechDem36,940 votes · 100.0% | — | — | |
| Rita MayfieldDem25,886 votes · 100.0% | — | — |