St. Clair County, MI
MI · Presidential Elections 1892–2024
St. Clair County, MI (Michigan) voted R+34.6 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 64,277 votes (66.5%) to 30,844 (31.91%) for Harris.
This represents a R+4.4% 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 2012. The county has a population of approximately 160,221.
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 | 31.9%(30,844) | 66.5%(64,277) | R+34.6 | R+4.4 |
| 2020 | 34.1%(31,363) | 64.3%(59,185) | R+30.2 | D+1.2 |
| 2016 | 31.5%(24,553) | 62.9%(49,051) | R+31.4 | R+24.3 |
| 2012 | 45.8%(33,983) | 52.9%(39,271) | R+7.1 | R+9.8 |
| 2008 | 50.3%(40,677) | 47.6%(38,536) | D+2.6 | D+10.9 |
| 2004 | 45.4%(36,174) | 53.6%(42,740) | R+8.2 | R+7.4 |
| 2000 | 48.2%(33,002) | 49.0%(33,571) | R+0.8 | R+11.5 |
| 1996 | 48.0%(28,881) | 37.4%(22,495) | D+10.6 | D+12.3 |
| 1992 | 35.0%(23,385) | 36.7%(24,508) | R+1.7 | D+19.6 |
| 1988 | 39.0%(20,909) | 60.3%(32,336) | R+21.3 | D+14.5 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
St. Clair County, MI • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 33.4%(31,519) | 63.5%(59,992) | R+30.2 | R+2.9 |
| 2020 | 35.2%(31,846) | 62.4%(56,476) | R+27.2 | R+11.2 |
| 2018 | 40.8%(27,540) | 56.8%(38,329) | R+16.0 | R+18.6 |
| 2014 | 48.5%(24,828) | 45.8%(23,467) | D+2.7 | R+13.9 |
| 2012 | 56.5%(41,107) | 39.9%(29,079) | D+16.5 | R+6.2 |
| 2008 | 59.2%(46,265) | 36.4%(28,478) | D+22.8 | D+12.3 |
| 2006 | 54.2%(33,791) | 43.8%(27,262) | D+10.5 | R+9.6 |
| 2002 | 59.1%(30,505) | 39.0%(20,124) | D+20.1 | D+25.6 |
| 2000 | 45.5%(30,659) | 51.0%(34,364) | R+5.5 | R+19.9 |
| 1996 | 56.1%(32,811) | 41.7%(24,398) | D+14.4 | D+36.2 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 40.4%(30,170) | 57.3%(42,731) | R+16.8 | R+3.9 |
| 2018 | 41.7%(28,089) | 54.6%(36,840) | R+13.0 | D+0.8 |
| 2014 | 41.6%(21,546) | 55.4%(28,666) | R+13.8 | D+20.8 |
| 2010 | 31.4%(16,425) | 66.0%(34,503) | R+34.6 | R+33.3 |
| 2006 | 48.5%(30,369) | 49.8%(31,170) | R+1.3 | D+6.0 |
| 2002 | 45.4%(23,813) | 52.8%(27,647) | R+7.3 | D+21.0 |
| 1998 | 35.8%(18,025) | 64.2%(32,299) | R+28.4 | D+12.7 |
| 1994 | 29.4%(14,233) | 70.5%(34,078) | R+41.0 | R+22.9 |
| 1990 | 40.2%(15,757) | 58.3%(22,858) | R+18.1 | R+52.1 |
| 1986 | 66.8%(23,544) | 32.8%(11,555) | D+34.0 | D+37.3 |
Source: Official state election returns via MIT Election Data + Science Lab