Total Population in St. Clair County, MI
ACS 2024 5-Year Estimates
160,221
Rank #434/3,222 · #13 in MI
87th
St. Clair 160,221
MI 10M -98.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How St. Clair County's total population of 160,221 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to St. Clair County for total population.
Nearby Rankings
Full ranking →| #431 | Sullivan County, TN | 160,624 |
| #432 | Schenectady County, NY | 160,369 |
| #433 | Rensselaer County, NY | 160,332 |
| #434 | St. Clair County, MI | 160,221 |
| #435 | Jackson County, MI | 160,060 |
| #436 | Rankin County, MS | 158,854 |
| #437 | Wilson County, TN | 158,805 |
About Total Population
St. Clair County, Michigan has a total population of 160,221, ranking #434 of 3,222 counties nationwide — 100.0% below the national value of 330M. Within Michigan, it ranks #13 of 83. This places it in the 87th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.