Chester County, PA
PA · Presidential Elections 1892–2024
Chester County, PA (Pennsylvania) voted D+14.4 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 184,281 votes (56.45%) to 137,299 (42.06%) for Trump.
This represents a R+2.7% swing toward Republicans compared to 2020. Chester County is classified as a lean Democratic county. Chester County has voted Democratic in every presidential election since 2016. The county has a population of approximately 547,840.
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 | 56.5%(184,281) | 42.1%(137,299) | D+14.4 | R+2.7 |
| 2020 | 58.0%(182,372) | 40.9%(128,565) | D+17.1 | D+7.7 |
| 2016 | 51.9%(141,682) | 42.5%(116,114) | D+9.4 | D+9.6 |
| 2012 | 49.2%(124,311) | 49.4%(124,840) | R+0.2 | R+9.4 |
| 2008 | 54.2%(137,833) | 45.0%(114,421) | D+9.2 | D+13.7 |
| 2004 | 47.5%(109,708) | 52.0%(120,036) | R+4.5 | D+5.1 |
| 2000 | 43.7%(82,047) | 53.3%(100,080) | R+9.6 | R+1.9 |
| 1996 | 40.9%(64,783) | 48.6%(77,029) | R+7.7 | D+0.8 |
| 1992 | 35.3%(59,643) | 43.7%(74,002) | R+8.5 | D+26.4 |
| 1988 | 32.1%(44,853) | 67.0%(93,522) | R+34.9 | D+5.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Chester County, PA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 55.1%(178,833) | 42.6%(138,270) | D+12.5 | R+4.4 |
| 2022 | 57.2%(147,559) | 40.3%(104,020) | D+16.9 | R+3.3 |
| 2018 | 59.2%(140,138) | 39.0%(92,380) | D+20.2 | D+22.4 |
| 2016 | 47.1%(127,552) | 49.4%(133,662) | R+2.3 | R+4.8 |
| 2012 | 50.4%(125,671) | 47.8%(119,296) | D+2.6 | D+9.4 |
| 2010 | 46.6%(80,738) | 53.4%(92,667) | R+6.9 | R+16.9 |
| 2006 | 55.0%(95,293) | 45.0%(77,948) | D+10.0 | D+32.6 |
| 2004 | 36.7%(82,551) | 59.3%(133,329) | R+22.6 | D+6.5 |
| 2000 | 34.2%(63,259) | 63.3%(117,092) | R+29.1 | D+17.2 |
| 1998 | 24.3%(24,611) | 70.5%(71,508) | R+46.3 | R+23.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 62.3%(160,796) | 35.9%(92,585) | D+26.4 | D+2.2 |
| 2018 | 61.3%(145,212) | 37.1%(87,873) | D+24.2 | D+20.6 |
| 2014 | 51.8%(80,701) | 48.2%(75,097) | D+3.6 | D+15.5 |
| 2010 | 44.0%(76,440) | 56.0%(97,112) | R+11.9 | R+42.2 |
| 2006 | 65.1%(112,960) | 34.9%(60,437) | D+30.3 | D+14.0 |
| 2002 | 57.4%(81,996) | 41.1%(58,669) | D+16.3 | D+62.9 |
| 1998 | 21.0%(21,337) | 67.6%(68,572) | R+46.6 | R+23.2 |
| 1994 | 29.7%(34,652) | 53.1%(61,890) | R+23.4 | R+28.4 |
| 1990 | 52.5%(48,935) | 47.5%(44,262) | D+5.0 | D+39.1 |
| 1986 | 32.5%(28,572) | 66.6%(58,518) | R+34.1 | D+3.0 |
Source: Official state election returns via MIT Election Data + Science Lab