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, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

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%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

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