Ottawa township Flag

Ottawa township

County:
LaSalle County
County Seat:
No
Area (mi²):
15.183
State:
Illinois

Ottawa township is located in LaSalle County, Illinois. Ottawa township has a 2025 population of 11,256. Ottawa township is currently growing at a rate of 0.33% annually and its population has increased by 0.04% since the most recent census, which recorded a population of 11,252 in 2020.

The average household income in Ottawa township is $95,526 with a poverty rate of 14.97%. The median age in Ottawa township is 44.3 years: 44.2 years for males, and 44.9 years for females.

11.3K
Total Population
741
Density (mi²)
37 0.33%
Growth

Ottawa township Population

Ottawa township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Ottawa township includes 85.97% White, 3.13% Black or African American, 3.08% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Race
Population
Percentage (of total)
White9,63985.97%
Two or more races7426.62%
Black or African American3513.13%
Other race3453.08%
Asian1291.15%
Native Hawaiian or Pacific Islander60.05%
Native American00%

Ottawa township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Ottawa township's average per capita income is $43,750. Household income levels show a median of $69,123. The poverty rate stands at 14.97%.

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$100,804-
Families$77,353$104,850
Households$69,123$95,526
Non Families$45,331$77,820

$43,750

Average Income

$69,123

Median Household Income

14.97%

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)