St. Clair County, Michigan: Declining Industrial Metro
Michigan · Presidential Elections 1892–2024
R+34.6
2024 Margin
R+4.4%
2020→2024 Swing
R since 2012
Voting Streak
🏭 Rust Belt
Classification
160K
Population
St. Clair County, Michigan voted R+34.6 for Donald Trump in 2024, with Trump receiving 64,277 votes (66.5%). This represented a R+4.4% swing toward Republicans compared to 2020. The county has voted Republican in every presidential election since 2012.
Electoral Behavior
🏭
Declining Industrial MetroView all
Rust Belt urban centers that voted for Obama but have shifted dramatically toward Republicans. Former manufacturing hubs experiencing economic decline and Democratic erosion.
Volatility
7.3
Elasticity
Moderate
Trend
-1.3/yr (red)
Quick Stats
2024 ResultR+34.6
2020→2024 SwingR+4.4%
Voting StreakR since 2012
Elections on Record34
Demographics
Population160,383
Median Age
44.1(US: 38.4)
College (BA+)
27.8%(US: 47.9%)
Median Income
$66,887(US: $78k)
White (non-Hisp)
90.0%(US: 57.5%)
Hispanic
3.6%(US: 18.6%)
Black
2.5%(US: 12.3%)
Homeownership
80.5%(US: 64.2%)
Poverty Rate
11.0%(US: 12.4%)
Veterans
7.1%(US: 6.4%)
Presidential Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 31.9%(30,844) | 66.5%(64,277) | R+34.6 | -4.4 |
| 2020 | 34.1%(31,363) | 64.3%(59,185) | R+30.2 | +1.2 |
| 2016 | 31.5%(24,553) | 62.9%(49,051) | R+31.4 | -24.3 |
| 2012 | 45.8%(33,983) | 52.9%(39,271) | R+7.1 | -9.8 |
| 2008 | 50.3%(40,677) | 47.6%(38,536) | D+2.6 | +10.9 |
| 2004 | 45.4%(36,174) | 53.6%(42,740) | R+8.2 | -7.4 |
| 2000 | 48.2%(33,002) | 49.0%(33,571) | R+0.8 | -11.4 |
| 1996 | 48.0%(28,881) | 37.4%(22,495) | D+10.6 | +12.3 |
| 1992 | 35.0%(23,385) | 36.7%(24,508) | R+1.7 | +19.6 |
| 1988 | 39.0%(20,909) | 60.3%(32,336) | R+21.3 | +14.5 |
Senate Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 33.4%(31,519) | 63.5%(59,992) | R+30.1 | -2.9 |
| 2020 | 35.2%(31,846) | 62.4%(56,476) | R+27.2 | -11.2 |
| 2018 | 40.8%(27,540) | 56.8%(38,329) | R+16.0 | -18.6 |
| 2014 | 48.5%(24,828) | 45.9%(23,467) | D+2.7 | -13.9 |
| 2012 | 56.5%(41,107) | 39.9%(29,079) | D+16.5 | -6.2 |
| 2008 | 59.2%(46,265) | 36.4%(28,478) | D+22.8 | +12.3 |
| 2006 | 54.2%(33,791) | 43.8%(27,262) | D+10.5 | -9.6 |
| 2002 | 59.1%(30,505) | 39.0%(20,124) | D+20.1 | +25.6 |
| 2000 | 45.5%(30,659) | 51.0%(34,364) | R+5.5 | -19.9 |
| 1996 | 56.1%(32,811) | 41.7%(24,398) | D+14.4 | +36.2 |
Governor Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 40.4%(30,170) | 57.3%(42,731) | R+16.8 | -3.8 |
| 2018 | 41.6%(28,089) | 54.6%(36,840) | R+13.0 | +0.8 |
| 2014 | 41.6%(21,546) | 55.4%(28,666) | R+13.8 | +20.8 |
| 2010 | 31.4%(16,425) | 66.0%(34,503) | R+34.6 | -33.3 |
| 2006 | 48.5%(30,369) | 49.8%(31,170) | R+1.3 | +6.0 |
| 2002 | 45.4%(23,813) | 52.8%(27,647) | R+7.3 | +21.0 |
| 1998 | 35.8%(18,025) | 64.2%(32,299) | R+28.4 | +12.7 |
| 1994 | 29.4%(14,233) | 70.5%(34,078) | R+41.0 | -22.9 |
| 1990 | 40.2%(15,757) | 58.3%(22,858) | R+18.1 | -52.1 |
| 1986 | 66.8%(23,544) | 32.8%(11,555) | D+34.0 | +37.3 |
Primary Election History
| Year | Party | Winner | Runner-up | Nominee? |
|---|---|---|---|---|
| 2024 | GOP | Donald Trump(77.0%) | Nikki Haley(18.4%) | ✓ |
| 2020 | Dem | Joe Biden(51.2%) | Bernie Sanders(35.1%) | ✓ |
| 2016 | Dem | Bernie Sanders(56.5%) | Hillary Clinton(40.5%) | ✗ |
| 2016 | GOP | Donald Trump(48.8%) | John Kasich(20.7%) | ✓ |
| 2008 | Dem | Hillary Clinton(64.2%) | Other(35.8%) | ✗ |
✓ = County picked eventual party nominee