Tonti township

County:: Marion County
County Seat:: No
Area (mi²):: 35.479
State:: Illinois

Tonti township is located in Marion County, Illinois. Tonti township has a 2025 population of 979. Tonti township is currently declining at a rate of -0.71% annually and its population has decreased by -3.74% since the most recent census, which recorded a population of 1,017 in 2020.

The average household income in Tonti township is $78,912 with a poverty rate of 14.3%. The median age in Tonti township is 43.8 years: 40.5 years for males, and 50.1 years for females.

Demographics

The racial composition of Tonti township includes 88.15% White, 9.79% other race, and smaller percentages for Two or more races, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,153	88.15%
Other race	128	9.79%
Two or more races	27	2.06%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Tonti township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Tonti township's average per capita income is $43,583. Household income levels show a median of $75,200. The poverty rate stands at 14.3%.

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	$79,552	-
Families	$79,384	$95,847
Households	$75,200	$78,912
Non Families	-	$41,076

$43,583

Average Income

$75,200

Median Household Income

14.3%

Poverty Rate