Buchanan County, MO
MO · Presidential Elections 1892–2024
Buchanan County, MO (Missouri) voted R+27.9 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 22,606 votes (62.96%) to 12,598 (35.09%) for Harris.
This represents a R+3.3% swing toward Republicans compared to 2020. Buchanan County is classified as a solid Republican county. Buchanan County has voted Republican in every presidential election since 2012. The county has a population of approximately 83,568.
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 | 35.1%(12,598) | 63.0%(22,606) | R+27.9 | R+3.3 |
| 2020 | 36.6%(13,445) | 61.1%(22,450) | R+24.5 | D+1.4 |
| 2016 | 33.4%(12,013) | 59.3%(21,320) | R+25.9 | R+17.1 |
| 2012 | 44.4%(15,594) | 53.1%(18,660) | R+8.7 | R+8.9 |
| 2008 | 49.1%(19,164) | 49.0%(19,110) | D+0.1 | D+5.4 |
| 2004 | 46.9%(17,799) | 52.2%(19,812) | R+5.3 | R+7.2 |
| 2000 | 49.2%(17,085) | 47.3%(16,423) | D+1.9 | R+7.9 |
| 1996 | 48.0%(15,848) | 38.2%(12,610) | D+9.8 | R+4.4 |
| 1992 | 44.4%(16,570) | 30.2%(11,275) | D+14.2 | D+4.6 |
| 1988 | 54.6%(18,601) | 45.0%(15,336) | D+9.6 | D+22.0 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Buchanan County, MO • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 36.8%(13,017) | 60.6%(21,451) | R+23.8 | D+1.3 |
| 2022 | 37.5%(8,867) | 62.5%(14,805) | R+25.1 | R+15.0 |
| 2018 | 42.8%(12,889) | 52.8%(15,912) | R+10.0 | R+5.7 |
| 2016 | 45.2%(16,103) | 49.6%(17,658) | R+4.4 | R+28.9 |
| 2012 | 58.7%(20,437) | 34.2%(11,913) | D+24.5 | D+38.3 |
| 2010 | 40.4%(9,771) | 54.2%(13,107) | R+13.8 | R+24.5 |
| 2006 | 53.5%(15,734) | 42.8%(12,579) | D+10.7 | D+27.7 |
| 2004 | 40.7%(15,389) | 57.7%(21,790) | R+16.9 | R+21.7 |
| 2002 | 51.1%(13,702) | 46.3%(12,425) | D+4.8 | D+0.7 |
| 2000 | 51.2%(17,757) | 47.1%(16,364) | D+4.0 | D+11.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 33.6%(11,819) | 63.8%(22,432) | R+30.2 | R+5.7 |
| 2020 | 36.3%(13,225) | 60.9%(22,147) | R+24.5 | R+15.8 |
| 2016 | 43.9%(15,628) | 52.6%(18,714) | R+8.7 | R+25.5 |
| 2012 | 56.5%(19,685) | 39.6%(13,810) | D+16.9 | R+5.7 |
| 2008 | 59.9%(23,151) | 37.4%(14,442) | D+22.6 | D+24.3 |
| 2004 | 48.3%(18,317) | 50.0%(18,967) | R+1.7 | R+8.7 |
| 2000 | 52.1%(17,998) | 45.2%(15,602) | D+6.9 | R+30.7 |
| 1996 | 67.4%(22,045) | 29.8%(9,731) | D+37.7 | D+22.8 |
| 1992 | 57.4%(21,139) | 42.6%(15,674) | D+14.8 | D+43.4 |
| 1988 | 35.0%(11,989) | 63.6%(21,800) | R+28.6 | R+21.9 |
Source: Official state election returns via MIT Election Data + Science Lab