Sullivan township

County:: Moultrie County
County Seat:: No
Area (mi²):: 41.284
State:: Illinois

Sullivan township is located in Moultrie County, Illinois. Sullivan township has a 2025 population of 629. Sullivan township is currently declining at a rate of -0.94% annually and its population has decreased by -3.68% since the most recent census, which recorded a population of 653 in 2020.

The average household income in Sullivan township is $88,309 with a poverty rate of 16.69%. The median age in Sullivan township is 41.1 years: 38.9 years for males, and 41.9 years for females.

Demographics

The racial composition of Sullivan township includes 90.6% White, and smaller percentages for other race, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	559	90.6%
Two or more races	40	6.48%
Other race	18	2.92%
Black or African American	0	0%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Sullivan township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sullivan township's average per capita income is $37,305. Household income levels show a median of $66,500. The poverty rate stands at 16.69%.

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	$119,750	-
Families	$91,250	$100,891
Households	$66,500	$88,309
Non Families	$55,764	$54,107

$37,305

Average Income

$66,500

Median Household Income

16.69%

Poverty Rate