St. Clair County, Michigan
MI · FIPS 26147 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 160,221 | — | #434 / 3,222 | |
| Median Household Income | $71,270 | -5.2% | #1,110 / 3,222 | |
| Median Age | 44.5 years | +14.4% | #825 / 3,222 | |
| Median Home Value | $224,600 | -20.3% | #1,134 / 3,222 | |
| Median Gross Rent | $1,029 | -11.5% | #907 / 3,222 | |
| Poverty Rate | 11.3% | -10.5% | #1,085 / 3,222 | |
Demographics
St. Clair County has a population of 160,221, making it the #434 most populous county in the US. The median age is 44.5 years, which is 14.4% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in St. Clair County is $71,270, ranking #1,110 out of 3,222 counties — 5.2% below the national median. The poverty rate is 11.3% and unemployment stands at 5.7%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in St. Clair County is $224,600 (-20.3% vs national). Renters pay a median of $1,029/mo and the homeownership rate is 80.8%.
Median Home Value Trend
Rankings →Health
95.1% of residents in St. Clair County have health insurance coverage, which is 3.7% above the national rate.
About St. Clair County, Michigan
St. Clair County, Michigan has a total population of 160,221, making it the 434th most populous county in the United States. The median age in St. Clair County is 44.5 years, which is 14.4% above the national median of 38.9 years.
The median household income in St. Clair County is $71,270, which ranks #1,110 of 3,222 counties nationwide. This is 5.2% below the national median of $75,149. The poverty rate is 11.3%, lower than the national rate of 12.6%. The unemployment rate stands at 5.7%.
The median home value in St. Clair County is $224,600, 20.3% below the national median. Renters in St. Clair County pay a median gross rent of $1,029 per month. The homeownership rate is 80.8%, compared to the national rate of 64.4%.
In St. Clair County, 20.3% of residents aged 25 and older hold a bachelor's degree or higher, 39.7% below the national average of 33.7%. Health insurance coverage stands at 95.1% of the population. The average commute time for workers is 31.4 min.
St. Clair County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 89.7% of the population, followed by Hispanic or Latino (3.7%) and Two or More Races (3.6%).
All data for St. Clair County, Michigan comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.