Manlius township

County:: Bureau County
County Seat:: No
Area (mi²):: 36.241
State:: Illinois

Manlius township is located in Bureau County, Illinois. Manlius township has a 2025 population of 561. Manlius township is currently declining at a rate of -0.18% annually and its population has decreased by -2.43% since the most recent census, which recorded a population of 575 in 2020.

The average household income in Manlius township is $85,771 with a poverty rate of 4.78%.The median age in Manlius township is 37 years: 36.7 years for males, and 37.6 years for females.

Demographics

The racial composition of Manlius township includes 99.49% White, and smaller percentages for Black or African American, Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	588	99.49%
Black or African American	2	0.34%
Two or more races	1	0.17%

Manlius township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Manlius township's average per capita income is $56,250. Household income levels show a median of $76,583. The poverty rate stands at 4.78%.

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	$113,594	-
Families	$112,695	$108,137
Households	$76,583	$85,771
Non Families	$39,219	$50,346

$56,250

Average Income

$76,583

Median Household Income

4.78%

Poverty Rate