St. Clair

County:: St. Clair County
County Seat:: No
Area (mi²):: 2.94
State:: Michigan

St. Clair is a city located in St. Clair County, Michigan. St. Clair has a 2025 population of 6,131. St. Clair is currently growing at a rate of 2.03% annually and its population has increased by 11.05% since the most recent census, which recorded a population of 5,521 in 2020.

The average household income in St. Clair is $108,122 with a poverty rate of 9.55%.The median age in St. Clair is 43.4 years: 38.7 years for males, and 44.9 years for females.

Demographics

The racial composition of St. Clair includes 94.95% White, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	5,299	94.95%
Two or more races	158	2.83%
Black or African American	109	1.95%
Other race	15	0.27%

St. Clair Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Clair's average per capita income is $55,473. Household income levels show a median of $68,482. The poverty rate stands at 9.55%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$118,750	-
Families	$92,304	$134,618
Households	$68,482	$108,122
Non Families	$38,897	$50,528

$55,473

Average Income

$68,482

Median Household Income

9.55%

Poverty Rate