Peoria County, IL
IL · Presidential Elections 1892–2024
Peoria County, IL (Illinois) voted D+4.6 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 40,564 votes (51.26%) to 36,896 (46.62%) for Trump.
This represents a R+1.7% swing toward Republicans compared to 2020. Peoria County is classified as a competitive Democratic county. Peoria County has voted Democratic in every presidential election since 1992. The county has a population of approximately 179,645.
Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 51.3%(40,564) | 46.6%(36,896) | D+4.6 | R+1.7 |
| 2020 | 51.9%(43,578) | 45.5%(38,252) | D+6.3 | D+3.3 |
| 2016 | 48.1%(38,060) | 45.0%(35,633) | D+3.1 | R+1.3 |
| 2012 | 51.3%(40,209) | 46.9%(36,774) | D+4.4 | R+9.5 |
| 2008 | 56.2%(45,906) | 42.3%(34,579) | D+13.9 | D+13.8 |
| 2004 | 49.7%(41,121) | 49.6%(41,051) | D+0.1 | R+2.8 |
| 2000 | 50.3%(38,604) | 47.4%(36,398) | D+2.9 | R+5.8 |
| 1996 | 50.5%(37,383) | 41.8%(30,990) | D+8.6 | R+0.4 |
| 1992 | 46.9%(38,099) | 37.8%(30,718) | D+9.1 | D+12.3 |
| 1988 | 48.1%(35,253) | 51.4%(37,605) | R+3.2 | D+7.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Peoria County, IL • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 53.4%(31,048) | 46.6%(27,071) | D+6.8 | D+0.2 |
| 2020 | 51.3%(42,891) | 44.7%(37,345) | D+6.6 | D+8.7 |
| 2016 | 46.1%(36,548) | 48.1%(38,169) | R+2.0 | D+3.7 |
| 2014 | 45.7%(23,832) | 51.5%(26,824) | R+5.7 | D+11.6 |
| 2010 | 37.8%(19,751) | 55.1%(28,797) | R+17.3 | R+47.8 |
| 2008 | 63.4%(50,081) | 33.0%(26,027) | D+30.5 | R+6.6 |
| 2004 | 67.6%(55,061) | 30.5%(24,888) | D+37.0 | D+22.0 |
| 2002 | 56.7%(31,197) | 41.6%(22,920) | D+15.0 | D+32.1 |
| 1998 | 40.3%(21,480) | 57.3%(30,586) | R+17.1 | R+22.4 |
| 1996 | 51.2%(37,570) | 45.9%(33,678) | D+5.3 | R+3.1 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 48.9%(29,563) | 47.2%(28,532) | D+1.7 | R+2.9 |
| 2018 | 48.2%(31,238) | 43.6%(28,254) | D+4.6 | D+17.9 |
| 2014 | 40.8%(21,232) | 54.0%(28,127) | R+13.2 | D+3.7 |
| 2010 | 38.2%(20,039) | 55.1%(28,955) | R+17.0 | R+12.7 |
| 2006 | 39.8%(21,387) | 44.0%(23,662) | R+4.2 | D+4.9 |
| 2002 | 44.2%(24,370) | 53.3%(29,399) | R+9.1 | D+0.6 |
| 1998 | 44.4%(23,457) | 54.0%(28,571) | R+9.7 | D+32.3 |
| 1994 | 28.1%(14,612) | 70.1%(36,461) | R+42.0 | R+26.4 |
| 1990 | 41.7%(20,752) | 57.3%(28,540) | R+15.6 | D+27.7 |
| 1986 | 5.5%(2,616) | 48.8%(23,309) | R+43.3 | R+39.5 |
Source: Official state election returns via MIT Election Data + Science Lab