Johnson County, Kansas
Population estimates, July 1, 2025, (V2025) 636,906
People
Population
Population estimates, July 1, 2025, (V2025) 636,906
Population estimates, July 1, 2024, (V2024) 632,276
Population estimates base, April 1, 2020, (V2025) 609,865
Population estimates base, April 1, 2020, (V2024) 609,860
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 4.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 3.7%
Population, Census, April 1, 2020 609,863
Population, Census, April 1, 2010 544,179
Age and Sex
Persons under 5 years, percent 5.6%
Persons under 18 years, percent 22.8%
Persons 65 years and over, percent 16.9%
Female persons, percent 50.6%
Race and Hispanic Origin
White alone, percent 85.3%
Black alone, percent(a) 5.4%
American Indian and Alaska Native alone, percent(a) 0.5%
Asian alone, percent(a) 5.8%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 2.9%
Hispanic or Latino, percent(b) 9.8%
White alone, not Hispanic or Latino, percent 76.4%
Population Characteristics
Veterans, 2020-2024 25,069
Foreign-born persons, percent, 2020-2024 9.2%
Housing
Housing Units, July 1, 2025, (V2025) 268,845
Owner-occupied housing unit rate, 2020-2024 68.5%
Median value of owner-occupied housing units, 2020-2024 $391,200
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,254
Median selected monthly owner costs - without a mortage, 2020-2024 $872
Median gross rent, 2020-2024 $1,434
Building Permits, 2025 3,237
Families & Living Arrangements
Households, 2020-2024 249,531
Persons per household, 2020-2024 2.46
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 87.3%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 12.1%
Computer and Internet Use
Households with a computer, percent, 2020-2024 97.9%
Households with a broadband Internet subscription, percent, 2020-2024 95.9%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 96.6%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 57.6%
Health
With a disability, under age 65 years, percent, 2020-2024 6.1%
Persons without health insurance, under age 65 years, percent 6.1%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 71.5%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 66.8%
Total accommodation and food services sales, 2022 ($1,000)(c) 2,080,521
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 8,020,363
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 3,250,070
Total retail sales, 2022 ($1,000)(c) 14,481,968
Total retail sales per capita, 2022(c) $23,392
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 20.6
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $109,208
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $60,137
Persons in poverty, percent 6.0%
Businesses
Businesses
Total employer establishments, 2023 18,999
Total employment, 2023 352,238
Total annual payroll, 2023 ($1,000) 24,105,371
Total employment, percent change, 2022-2023 1.0%
Total nonemployer establishments, 2023 56,389
All employer firms, Reference year 2023 14,449
Male-owned employer firms, Reference year 2023 8,173
Female-owned employer firms, Reference year 2023 3,006
Minority-owned employer firms, Reference year 2023 1,936
Nonminority-owned employer firms, Reference year 2023 10,727
Veteran-owned employer firms, Reference year 2023 776
Nonveteran-owned employer firms, Reference year 2023 11,941
Geography
Geography
Population per square mile, 2020 1,287.6
Population per square mile, 2010 1,149.6
Land area in square miles, 2020 473.63
Land area in square miles, 2010 473.38
FIPS Code 20091