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

Population by Race

White

Black or African American

Two or more races

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	588	99.49%
Black or African American	2	0.34%
Two or more races	1	0.17%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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