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 2026 population of 545. Manlius township is currently declining at a rate of -0.91% annually and its population has decreased by -4.72% since the most recent census, which recorded a population of 572 in 2020.

The median household income in Manlius township is $79,423 with a poverty rate of 5.04%. The median age in Manlius township is 36.2 years: 36.2 years for males, and 36.3 years for females. For every 100 females there are 129.8 males.

545
Total Population
15
Density (mi²)
-5 -0.91%
Growth

Manlius township Population

Manlius township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026545-5-0.91%
2025550-5-0.9%
2024555-5-0.89%
2023560-1-0.18%
2022561-4-0.71%
2021565-7-1.22%
202057200%
2019607-6-0.98%
2018613-3-0.49%
2017616-4-0.65%
2016620-5-0.8%
2015625-6-0.95%
2014631-4-0.63%
2013635-5-0.78%
2012640-4-0.62%
2011644-9-1.38%
201065100%

Median Age

Overall: 36.2 years
Female: 36.3 years
Male: 36.2 years

Manlius township Adults

There are 474 adults, (170 of whom are seniors) in Manlius township.

Sex Ratio

Female: 285 (43.5%)
Male: 370 (56.5%)

Demographics

The racial composition of Manlius township includes 99.24% White, and smaller percentages for Two or more races, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White65099.24%
Two or more races40.61%
Black or African American10.15%
Race
Population ↓
Percentage (of total)
White30.46%
Race
Population ↓
Percentage (of total)
White64798.78%
Two or more races40.61%
Black or African American10.15%

Manlius township Marital Status

Economics and Income Statistics

Manlius township 's average per capita income is $56,563. Household income levels show a median of $79,423. The poverty rate stands at 5.04%.

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$117,974-
Families$86,875$106,625
Households$79,423$92,884
Non Families$63,750$61,533

$56,563

Average Income

$79,423

Median Household Income

5.04%

Poverty Rate

Nearby Cities

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)