Demographics in Ottawa, IL

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Ottawa?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

18,714

Male

8,966

47.9%

Female

9,748

52.1%

Median Age

40.3

Age Distribution

Source: U.S. Census Bureau ACS (2023)

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

89.3%

Black

2.9%

Hispanic

9.9%

Asian

1.1%

Two or More

4.7%

Other

1.9%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

15.0%

High School or Higher

38.6%

Foreign Born

2.6%

Veterans

5.5%

Married

37.8%

Avg Household Size

2.4

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Ottawa, IL has a population of 18,714 with a median age of 40.3. The racial makeup is 89.3% White, 9.9% Hispanic, 2.9% Black, 1.1% Asian. About 15.0% of residents hold a bachelor's degree or higher. The foreign-born population is 2.6%.