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 2026 population of 11,237. Ottawa township is currently growing at a rate of 0.12% annually but its population has decreased by -0.23% since the most recent census, which recorded a population of 11,263 in 2020.

The median household income in Ottawa township is $70,008 with a poverty rate of 16.58%. The median age in Ottawa township is 43.6 years: 44.1 years for males, and 43.3 years for females. For every 100 females there are 99.5 males.

11.2K
Total Population
740
Density (mi²)
13 0.12%
Growth

Ottawa township Population

Ottawa township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202611,237130.12%
202511,224130.12%
202411,211130.12%
202311,198420.38%
202211,156-86-0.76%
202111,242-21-0.19%
202011,263-10-0.09%
201911,169-53-0.47%
201811,222-36-0.32%
201711,258-53-0.47%
201611,311-64-0.56%
201511,375-63-0.55%
201411,438-65-0.57%
201311,503-40-0.35%
201211,543-80-0.69%
201111,623-143-1.22%
201011,687-12-0.1%

Median Age

Overall: 43.6 years
Female: 43.3 years
Male: 44.1 years

Ottawa township Adults

There are 8,623 adults, (1,781 of whom are seniors) in Ottawa township.

Sex Ratio

Female: 5,615 (50.1%)
Male: 5,589 (49.9%)

Demographics

The racial composition of Ottawa township includes 84.73% White, 3.6% Black or African American, 3.59% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9,49384.73%
Two or more races7626.8%
Black or African American4033.6%
Other race4023.59%
Asian1391.24%
Native Hawaiian or Pacific Islander50.04%
Race
Population ↓
Percentage (of total)
Other race3953.53%
Two or more races3052.72%
White2282.03%
Native Hawaiian or Pacific Islander50.04%
Race
Population ↓
Percentage (of total)
White9,26582.69%
Two or more races4574.08%
Black or African American4033.6%
Asian1391.24%
Other race70.06%

Ottawa township Marital Status

Economics and Income Statistics

Ottawa township 's average per capita income is $46,080. Household income levels show a median of $70,008. The poverty rate stands at 16.58%.

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$100,750-
Families$78,475$104,084
Households$70,008$97,890
Non Families$45,792$85,025

$46,080

Average Income

$70,008

Median Household Income

16.58%

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)