Marine township

County:: Madison County
County Seat:: No
Area (mi²):: 35.311
State:: Illinois

Marine township is located in Madison County, Illinois. Marine township has a 2025 population of 2,242. Marine township is currently declining at a rate of -0.22% annually but its population has increased by 0.54% since the most recent census, which recorded a population of 2,230 in 2020.

The average household income in Marine township is $103,580 with a poverty rate of 3.67%.The median age in Marine township is 38.6 years: 35.8 years for males, and 41.1 years for females.

Demographics

The racial composition of Marine township includes 91.37% White, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,139	91.37%
Two or more races	128	5.47%
Asian	37	1.58%
Other race	37	1.58%

Marine township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marine township's average per capita income is $63,778. Household income levels show a median of $95,031. The poverty rate stands at 3.67%.

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
Families	$100,776	$112,894
Married Families	$100,129	-
Households	$95,031	$103,580
Non Families	$47,008	$62,817

$63,778

Average Income

$95,031

Median Household Income

3.67%

Poverty Rate