Marion township

County:: Williamson County
County Seat:: No
Area (mi²):: 35.56
State:: Illinois

Marion township is located in Williamson County, Illinois. Marion township has a 2025 population of 210. Marion township is currently declining at a rate of -0.94% annually and its population has decreased by -3.23% since the most recent census, which recorded a population of 217 in 2020.

The average household income in Marion township is $82,005 with a poverty rate of 2.17%.The median age in Marion township is 51.7 years: 54.6 years for males, and 51 years for females.

Demographics

The racial composition of Marion township includes 95.96% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	309	95.96%
Two or more races	11	3.42%
Asian	2	0.62%

Marion township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Marion township's average per capita income is $44,167. Household income levels show a median of $86,250. The poverty rate stands at 2.17%.

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	$115,703	-
Families	$115,273	$100,167
Households	$86,250	$82,005
Non Families	-	$51,239

$44,167

Average Income

$86,250

Median Household Income

2.17%

Poverty Rate