Total Population in St. Clair County, MI

ACS 2024 5-Year Estimates

Total Population
160,221
Rank #434 of 3,222
87th percentile

How St. Clair County Compares

St. Clair County
160,221
Michigan Average
160,221
Rank #13 of 83 in state
National
330M
100.0% below

National Distribution

Where St. Clair County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ St. Clair County: 160,221

Ranking Context

Rank County Value
#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
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Total Population in St. Clair County, Michigan

St. Clair County, Michigan has a total population of 160,221, which ranks #434 of 3,222 out of 3,222 counties nationwide. This is 100.0% below the national value of 330M.

Within Michigan, St. Clair County ranks #13 of 83 out of 83 counties. This places it in the 87th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.