| Name | Saint Clair County |
| State | Michigan |
| FIPS Code | 26147 |
| County Seat | Port Huron |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 162,978 |
| Population Growth Rate(2000-2022) | -1.63% |
| Majority Ethnicity | White 96.83% |
| Public School Majority Ethnicity | White 86% |
| Partisan Voting Index | Republican:+17 |
| Unemployment Rate (January 2025) | 5.0% |
| Area Code(s) | 810 / 586 |
| Race/Ethnicity | Percentage of Population (2022) |
|---|---|
| White | 96.83% |
| African American | 2.46% |
| Hispanic | 0.19% |
| Asian | 0.5% |
| Native American | 0.01% |
| Hawaiin/Pacific Islander | 0.01% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 85.68% |
| African American | 3.7% |
| Hispanic | 4.46% |
| Asian | 0.52% |
| Native American | 0.32% |
| Hawaiin/Pacific Islander | 0.06% |