Casco township

County:: St. Clair County
County Seat:: No
Area (mi²):: 36.881
State:: Michigan

Casco township is located in St. Clair County, Michigan. Casco township has a 2025 population of 4,009. Casco township is currently growing at a rate of 0.07% annually and its population has increased by 0.33% since the most recent census, which recorded a population of 3,996 in 2020.

The average household income in Casco township is $103,078 with a poverty rate of 5.84%.The median age in Casco township is 39.6 years: 34.1 years for males, and 42.3 years for females.

Demographics

The racial composition of Casco township includes 96.75% White, and smaller percentages for other race, Two or more races, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	3,866	96.75%
Other race	71	1.78%
Two or more races	49	1.23%
Asian	10	0.25%

Casco township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Casco township's average per capita income is $52,303. Household income levels show a median of $79,375. The poverty rate stands at 5.84%.

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	$105,078	-
Families	$81,500	$111,118
Households	$79,375	$103,078
Non Families	$34,375	$64,844

$52,303

Average Income

$79,375

Median Household Income

5.84%

Poverty Rate