Demographics in Olathe, KS

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

Where is Olathe?

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Population

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

Total Population

143,720

Male

71,891

50.0%

Female

71,829

50.0%

Median Age

36.6

Race & Ethnicity

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

White

78.6%

Black

4.8%

Hispanic

12.6%

Asian

4.2%

Two or More

9.6%

Other

2.6%

Education & Household

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

Bachelor's or Higher

32.2%

High School or Higher

42.9%

Foreign Born

10.7%

Veterans

3.8%

Married

45.9%

Avg Household Size

2.7

Marital Status by Age

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

Olathe, KS has a population of 143,720 with a median age of 36.6. The racial makeup is 78.6% White, 12.6% Hispanic, 4.8% Black, 4.2% Asian. About 32.2% of residents hold a bachelor's degree or higher. The foreign-born population is 10.7%.