Demographics in Onalaska, WI

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

Where is Onalaska?

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Population

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

Total Population

18,909

Male

9,010

47.6%

Female

9,899

52.4%

Median Age

40.3

Race & Ethnicity

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

White

86.4%

Black

2.7%

Hispanic

2.7%

Asian

5.0%

Two or More

3.8%

Other

1.4%

Education & Household

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

Bachelor's or Higher

29.1%

High School or Higher

42.8%

Foreign Born

3.2%

Veterans

5.1%

Married

43.3%

Avg Household Size

2.2

Marital Status by Age

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

Onalaska, WI has a population of 18,909 with a median age of 40.3. The racial makeup is 86.4% White, 2.7% Hispanic, 2.7% Black, 5.0% Asian. About 29.1% of residents hold a bachelor's degree or higher. The foreign-born population is 3.2%.