Johnson County, Kansas
KS · FIPS 20091 · ACS 2024 5-Year Estimates
| Metric | Value | vs National | Rank | Percentile |
|---|---|---|---|---|
| Total Population | 620,631 | — | #112 / 3,222 | |
| Median Household Income | $109,208 | +45.3% | #106 / 3,222 | |
| Median Age | 38.6 years | -0.8% | #2,456 / 3,222 | |
| Median Home Value | $391,200 | +38.8% | #314 / 3,222 | |
| Median Gross Rent | $1,434 | +23.3% | #285 / 3,222 | |
| Poverty Rate | 5.4% | -57.0% | #71 / 3,222 | |
Demographics
Johnson County has a population of 620,631, making it the #112 most populous county in the US. The median age is 38.6 years, which is 0.8% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Household Type
Economy
The median household income in Johnson County is $109,208, ranking #106 out of 3,222 counties — 45.3% above the national median. The poverty rate is 5.4% and unemployment stands at 3.2%.
Median Household Income Trend
Rankings →Poverty Rate Trend
Rankings →Housing
The median home value in Johnson County is $391,200 (+38.8% vs national). Renters pay a median of $1,434/mo and the homeownership rate is 68.5%.
Median Home Value Trend
Rankings →Health
95.1% of residents in Johnson County have health insurance coverage, which is 3.7% above the national rate.
About Johnson County, Kansas
Johnson County, Kansas has a total population of 620,631, making it the 112th most populous county in the United States. The median age in Johnson County is 38.6 years, which is 0.8% below the national median of 38.9 years.
The median household income in Johnson County is $109,208, which ranks #106 of 3,222 counties nationwide. This is 45.3% above the national median of $75,149. The poverty rate is 5.4%, lower than the national rate of 12.6%. The unemployment rate stands at 3.2%.
The median home value in Johnson County is $391,200, 38.8% above the national median. Renters in Johnson County pay a median gross rent of $1,434 per month. The homeownership rate is 68.5%, compared to the national rate of 64.4%.
In Johnson County, 57.6% of residents aged 25 and older hold a bachelor's degree or higher, 70.8% above the national average of 33.7%. Health insurance coverage stands at 95.1% of the population. The average commute time for workers is 22.8 min.
Johnson County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 76.1% of the population, followed by Hispanic or Latino (9.3%) and Asian (non-Hispanic) (5.2%).
All data for Johnson County, Kansas comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.