Butler County, PA
PA · Presidential Elections 1892–2024
Butler County, PA (Pennsylvania) voted R+32.1 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 79,773 votes (65.45%) to 40,661 (33.36%) for Harris.
This represents a D+0.4% swing toward Democrats compared to 2020. Butler County is classified as a deep Republican county. Butler County has voted Republican in every presidential election since 1968. The county has a population of approximately 197,254.
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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 | 33.4%(40,661) | 65.5%(79,773) | R+32.1 | D+0.4 |
| 2020 | 33.1%(37,508) | 65.6%(74,359) | R+32.5 | D+4.0 |
| 2016 | 29.1%(28,586) | 65.7%(64,431) | R+36.6 | R+1.8 |
| 2012 | 31.8%(28,550) | 66.6%(59,761) | R+34.8 | R+7.4 |
| 2008 | 35.7%(32,260) | 63.1%(57,074) | R+27.4 | D+1.7 |
| 2004 | 35.2%(30,090) | 64.3%(54,959) | R+29.1 | R+2.3 |
| 2000 | 35.3%(25,037) | 62.1%(44,009) | R+26.8 | R+10.2 |
| 1996 | 36.3%(21,990) | 52.9%(32,038) | R+16.6 | R+14.4 |
| 1992 | 36.5%(22,303) | 38.7%(23,656) | R+2.2 | D+8.5 |
| 1988 | 44.1%(22,341) | 54.8%(27,777) | R+10.7 | D+1.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Butler County, PA • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 33.9%(40,973) | 63.9%(77,328) | R+30.1 | R+5.1 |
| 2022 | 36.3%(33,921) | 61.3%(57,168) | R+24.9 | R+4.9 |
| 2018 | 39.0%(31,010) | 59.0%(46,875) | R+20.0 | D+14.9 |
| 2016 | 29.7%(28,715) | 64.6%(62,425) | R+34.9 | R+5.9 |
| 2012 | 34.5%(30,620) | 63.5%(56,320) | R+29.0 | D+7.9 |
| 2010 | 31.5%(20,471) | 68.5%(44,429) | R+36.9 | R+26.6 |
| 2006 | 44.7%(27,818) | 55.1%(34,253) | R+10.4 | D+17.0 |
| 2004 | 30.4%(25,507) | 57.7%(48,413) | R+27.3 | D+0.6 |
| 2000 | 35.0%(24,816) | 62.9%(44,568) | R+27.9 | D+11.0 |
| 1998 | 28.1%(12,504) | 67.0%(29,798) | R+38.9 | R+11.8 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 42.9%(40,065) | 55.2%(51,546) | R+12.3 | D+3.2 |
| 2018 | 41.3%(32,891) | 56.8%(45,242) | R+15.5 | D+12.5 |
| 2014 | 36.0%(20,171) | 64.0%(35,818) | R+27.9 | D+15.9 |
| 2010 | 28.1%(18,404) | 71.9%(47,151) | R+43.9 | R+22.4 |
| 2006 | 39.2%(24,936) | 60.7%(38,613) | R+21.5 | D+5.9 |
| 2002 | 34.9%(18,145) | 62.3%(32,400) | R+27.4 | D+0.0 |
| 1998 | 23.8%(10,593) | 51.2%(22,839) | R+27.5 | R+10.6 |
| 1994 | 27.8%(13,514) | 44.7%(21,746) | R+16.9 | R+50.1 |
| 1990 | 66.6%(25,329) | 33.4%(12,715) | D+33.2 | D+38.6 |
| 1986 | 46.7%(17,697) | 52.1%(19,750) | R+5.4 | D+2.1 |
Source: Official state election returns via MIT Election Data + Science Lab