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

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	309	95.96%
Two or more races	11	3.42%
Asian	2	0.62%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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