South Ottawa Flag

South Ottawa

County:
LaSalle County
County Seat:
No
Area (mi²):
19.664
State:
Illinois

South Ottawa is located in LaSalle County, Illinois. South Ottawa has a 2025 population of 8,346 . South Ottawa is currently growing at a rate of 0.19% annually and its population has decreased by 0% since the most recent census, which recorded a population of 8,346 in 2020.

The average household income in South Ottawa is $100,634 with a poverty rate of 10.06%. The median age in South Ottawa is 39.8 years: 36.7 years for males, and 42.6 years for females. For every 100 females there are 82.5 males.

8.3K
Total Population
424
Density (mi²)
16 0.19%
Growth

South Ottawa Population

South Ottawa Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of South Ottawa includes 96.34% White, and smaller percentages for Two or more races, Asian, other race, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (96.34%)

Two or more races (2.17%)

Asian (0.84%)

Other race (0.46%)

Black or African American (0.18%)

Native Hawaiian or Pacific Islander (0.01%)

Race
Population
Percentage (of total)
White8,03196.34%
Two or more races1812.17%
Asian700.84%
Other race380.46%
Black or African American150.18%
Native Hawaiian or Pacific Islander10.01%

South Ottawa Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

South Ottawa's average per capita income is $55,965. Household income levels show a median of $82,596. The poverty rate stands at 10.06%.

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$127,656-
Families$99,387$117,757
Households$82,596$100,634
Non Families$43,250$63,171

$55,965

Average Income

$82,596

Median Household Income

10.06%

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)