St. Clair County, MO
MO · Presidential Elections 1892–2024
St. Clair County, MO (Missouri) voted R+60.6 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 3,982 votes (79.8%) to 959 (19.22%) for Harris.
This represents a R+1.4% swing toward Republicans compared to 2020. St. Clair County is classified as a deep Republican county. St. Clair County has voted Republican in every presidential election since 2000. The county has a population of approximately 9,587.
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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 | 19.2%(959) | 79.8%(3,982) | R+60.6 | R+1.4 |
| 2020 | 19.9%(988) | 79.0%(3,932) | R+59.2 | R+3.8 |
| 2016 | 20.2%(936) | 75.6%(3,501) | R+55.4 | R+21.7 |
| 2012 | 31.6%(1,460) | 65.3%(3,019) | R+33.7 | R+11.7 |
| 2008 | 37.8%(1,886) | 59.8%(2,981) | R+22.0 | D+3.4 |
| 2004 | 37.1%(1,841) | 62.4%(3,098) | R+25.3 | R+7.1 |
| 2000 | 39.4%(1,866) | 57.6%(2,731) | R+18.3 | R+21.8 |
| 1996 | 44.1%(1,974) | 40.6%(1,815) | D+3.6 | R+5.3 |
| 1992 | 42.6%(1,965) | 33.7%(1,555) | D+8.9 | D+19.6 |
| 1988 | 44.6%(1,864) | 55.3%(2,312) | R+10.7 | D+12.7 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
St. Clair County, MO • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 21.5%(1,071) | 76.6%(3,809) | R+55.1 | R+2.2 |
| 2022 | 23.5%(835) | 76.5%(2,711) | R+52.9 | R+13.4 |
| 2018 | 28.0%(1,149) | 67.5%(2,772) | R+39.5 | R+7.7 |
| 2016 | 31.4%(1,460) | 63.2%(2,941) | R+31.8 | R+31.2 |
| 2012 | 45.4%(2,101) | 46.1%(2,132) | R+0.7 | D+29.1 |
| 2010 | 31.7%(1,242) | 61.5%(2,408) | R+29.8 | R+27.0 |
| 2006 | 45.5%(1,924) | 48.2%(2,041) | R+2.8 | D+25.1 |
| 2004 | 35.6%(1,762) | 63.5%(3,140) | R+27.9 | R+18.5 |
| 2002 | 44.1%(1,787) | 53.5%(2,167) | R+9.4 | D+0.6 |
| 2000 | 44.5%(2,115) | 54.5%(2,592) | R+10.0 | D+3.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 20.1%(1,002) | 78.0%(3,887) | R+57.9 | D+0.1 |
| 2020 | 20.0%(995) | 78.0%(3,880) | R+58.0 | R+28.6 |
| 2016 | 33.5%(1,560) | 62.9%(2,927) | R+29.4 | R+24.7 |
| 2012 | 45.7%(2,121) | 50.3%(2,335) | R+4.6 | R+17.4 |
| 2008 | 54.7%(2,734) | 41.9%(2,093) | D+12.8 | D+30.7 |
| 2004 | 40.4%(2,004) | 58.2%(2,888) | R+17.8 | R+14.4 |
| 2000 | 47.4%(2,245) | 50.7%(2,405) | R+3.4 | R+14.8 |
| 1996 | 54.4%(2,419) | 42.9%(1,909) | D+11.5 | R+1.7 |
| 1992 | 56.6%(2,547) | 43.4%(1,953) | D+13.2 | D+44.6 |
| 1988 | 34.2%(1,424) | 65.6%(2,729) | R+31.4 | R+8.2 |
Source: Official state election returns via MIT Election Data + Science Lab