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, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

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%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

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