St. Louis

County:: Gratiot County
County Seat:: No
Area (mi²):: 3.315
State:: Michigan

St. Louis is a city located in Gratiot County, Michigan. St. Louis has a 2025 population of 7,012. St. Louis is currently growing at a rate of 0.03% annually and its population has increased by 0.16% since the most recent census, which recorded a population of 7,001 in 2020.

The average household income in St. Louis is $60,041 with a poverty rate of 15.37%.The median age in St. Louis is 38.8 years: 39.4 years for males, and 35.7 years for females.

Demographics

The racial composition of St. Louis includes 64.65% White, 25.5% Black or African American, and smaller percentages for other race, Native American, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	4,478	64.65%
Black or African American	1,766	25.5%
Two or more races	498	7.19%
Other race	123	1.78%
Native American	37	0.53%
Asian	24	0.35%

St. Louis Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Louis' average per capita income is $35,179. Household income levels show a median of $46,096. The poverty rate stands at 15.37%.

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	$75,917	-
Families	$57,708	$73,482
Households	$46,096	$60,041
Non Families	$29,792	$34,303

$35,179

Average Income

$46,096

Median Household Income

15.37%

Poverty Rate