Platte County, MO
MO · Presidential Elections 1892–2024
Platte County, MO (Missouri) voted R+3.1 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 29,381 votes (50.49%) to 27,566 (47.37%) for Harris.
This represents a R+0.1% swing toward Republicans compared to 2020. Platte County is classified as a competitive Republican county. Platte County has voted Republican in every presidential election since 1996. The county has a population of approximately 110,371.
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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 | 47.4%(27,566) | 50.5%(29,381) | R+3.1 | R+0.1 |
| 2020 | 47.5%(27,179) | 50.5%(28,917) | R+3.0 | D+8.8 |
| 2016 | 40.4%(20,057) | 52.3%(25,933) | R+11.8 | D+2.3 |
| 2012 | 42.0%(19,175) | 56.0%(25,618) | R+14.1 | R+7.7 |
| 2008 | 46.2%(21,495) | 52.6%(24,460) | R+6.4 | D+5.3 |
| 2004 | 43.9%(18,412) | 55.5%(23,302) | R+11.7 | R+4.4 |
| 2000 | 45.0%(15,325) | 52.2%(17,785) | R+7.2 | R+5.1 |
| 1996 | 43.2%(12,705) | 45.4%(13,332) | R+2.1 | R+7.4 |
| 1992 | 37.0%(10,920) | 31.8%(9,380) | D+5.2 | D+7.9 |
| 1988 | 48.5%(11,225) | 51.2%(11,838) | R+2.6 | D+22.6 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Platte County, MO • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 49.1%(28,351) | 48.6%(28,061) | D+0.5 | D+1.5 |
| 2022 | 49.5%(19,862) | 50.5%(20,264) | R+1.0 | R+0.7 |
| 2018 | 48.3%(21,477) | 48.6%(21,618) | R+0.3 | R+2.1 |
| 2016 | 48.5%(23,795) | 46.8%(22,929) | D+1.8 | R+10.9 |
| 2012 | 52.5%(23,578) | 39.8%(17,870) | D+12.7 | D+30.8 |
| 2010 | 38.6%(12,006) | 56.7%(17,619) | R+18.1 | R+22.0 |
| 2006 | 50.5%(16,687) | 46.6%(15,398) | D+3.9 | D+22.5 |
| 2004 | 40.1%(16,640) | 58.7%(24,370) | R+18.6 | R+16.8 |
| 2002 | 48.4%(12,832) | 50.2%(13,320) | R+1.8 | R+0.5 |
| 2000 | 48.8%(16,578) | 50.1%(17,024) | R+1.3 | D+18.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 45.8%(26,328) | 52.3%(30,102) | R+6.6 | R+0.7 |
| 2020 | 46.0%(26,293) | 51.8%(29,616) | R+5.8 | R+2.2 |
| 2016 | 46.6%(22,973) | 50.2%(24,738) | R+3.6 | R+11.3 |
| 2012 | 52.4%(23,654) | 44.6%(20,154) | D+7.8 | R+5.0 |
| 2008 | 55.2%(25,228) | 42.5%(19,417) | D+12.7 | D+10.7 |
| 2004 | 50.3%(20,970) | 48.3%(20,137) | D+2.0 | D+4.5 |
| 2000 | 47.7%(16,115) | 50.2%(16,971) | R+2.5 | R+27.5 |
| 1996 | 61.4%(17,840) | 36.4%(10,581) | D+25.0 | D+10.5 |
| 1992 | 57.2%(16,779) | 42.8%(12,530) | D+14.5 | D+48.4 |
| 1988 | 32.3%(7,443) | 66.3%(15,259) | R+33.9 | R+14.9 |
Source: Official state election returns via MIT Election Data + Science Lab