Manlius township Flag

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.

561
Total Population
15
Density (mi²)
-1 -0.18%
Growth

Manlius township Population

Manlius township Population

Data after 2023 is projected based on recent change

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)
White58899.49%
Black or African American20.34%
Two or more races10.17%

Manlius township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)