Olathe, KS Census Data
Key demographic and economic indicators for Olathe, Kansas from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-03-23 · Source: U.S. Census Bureau, ACS 2023
Population
143,720
50.0% male · 50.0% female
Median Age
36.6
2.1 below the national average (38.7 yrs)
Median Household Income
$112,232
33,694.0 above the national average ($78,538)
Bachelor's Degree or Higher
49.4%
14.4 above the national average (35.0%)
HS diploma or higher: 94.7%
Poverty Rate
5.6%
6.8 below the national average (12.4%)
Uninsured: 6.9%
Broadband Access
98.1%
8.4 above the national average (89.7%)
Median Home Value
$340,600
Median rent: $1,314 · 74% owner-occupied
Unemployment Rate
2.8%
Labor force participation: 70.9%
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Olathe, KS Frequently Asked Questions
What is the population of Olathe, KS?
The population of Olathe, KS is 143,720 according to the 2023 American Community Survey 5-year estimates. The median age is 36.6 years.
What is the median household income in Olathe?
The median household income in Olathe, KS is $112,232, above the national average of $78,538. Per capita income is $53,762.
What is the poverty rate in Olathe?
The poverty rate in Olathe, KS is 5.6%, compared to the national average of 12.4%. About 6.9% of residents lack health insurance.
What percentage of Olathe residents have a college degree?
49.4% of adults (25+) in Olathe hold a bachelor's degree or higher, and 94.7% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Olathe?
The median home value in Olathe, KS is $340,600. Median rent is $1,314 per month, with 74% of housing units owner-occupied.
What is the racial makeup of Olathe?
Olathe's population is 78.6% White, 4.8% Black, 12.5% Hispanic or Latino, and 4.2% Asian (source: 2023 ACS).