St. Clair County, Michigan

MI · FIPS 26147 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
160,221
Rank #434 of 3,222
87th %ile
Median Household Income
$71,270 −5.2% vs nat'l
Rank #1,110 of 3,222
66th %ile
Poverty Rate
11.3% −10.5% vs nat'l
Rank #1,085 of 3,222
66th %ile
Median Home Value
$224,600 −20.3% vs nat'l
Rank #1,134 of 3,222
65th %ile
Bachelor's Degree or Higher
20.3% −39.7% vs nat'l
Rank #1,947 of 3,222
40th %ile
Unemployment Rate
5.7% +7.8% vs nat'l
Rank #2,400 of 3,222
26th %ile

At a Glance

80.8% Homeownership
95.1% Insured
20.3% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%8%6%4%2%0%2%4%6%8%10%

Race & Ethnicity

White (non-Hispanic)Hispanic or LatinoTwo or More RacesBlack (non-Hispanic)Asian (non-Hispanic)Other (non-Hispanic)American Indian (non-Hispanic)Native Hawaiian/Pacific Islander0.0%12.5%25.0%37.4%49.9%62.4%74.9%87.4%89.7%3.7%3.6%2.1%0.5%0.3%0.1%0.0%

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.

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.