Johnson County, Missouri Demographics 2026
Johnson County, Missouri has a population of 54,732, the 21st most populous county in Missouri. The median household income is $67,272 and the median home value is $235,700. The poverty rate is 11.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Johnson County Quick Facts
How Johnson County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 54,331 | 54,732 | +0.7% |
| Median household income | $67,123 | $67,272 | +0.2% |
| Median home value | $221,400 | $235,700 | +6.5% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A less diverse community where one racial or ethnic group represents a large majority.
State average: 40 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Johnson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Warrensburg | 19,582 | $57,067 | 16.2% | $222,200 |
| Whiteman AFB | 3,517 | $54,641 | 13.3% | $328,800 |
| Knob Noster | 2,838 | $62,353 | 6.0% | $202,600 |
| Holden | 1,989 | $63,056 | 19.2% | $148,200 |
| Leeton | 660 | $51,917 | 14.0% | $99,600 |
| Kingsville | 360 | $67,171 | 6.7% | $96,500 |
| Centerview | 248 | $60,000 | 19.8% | $61,000 |
| Chilhowee | 232 | $56,458 | 25.4% | N/A |
| La Tour | 132 | N/A | 21.2% | N/A |
Explore Missouri Rankings
Population Overview
Johnson County is located in Missouri with a total population of 54,732. It is the 21st most populous county out of 115 in Missouri. The county encompasses 9 Census-designated places.
Age Demographics
The median age in Johnson County is 31.5 years. This is 19% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Johnson County is $67,272. This is 5% lower than the state median of $70,702. It is also 17% lower than the national median of $80,734. The poverty rate stands at 11.8%. This is 6% lower than the state poverty rate of 12.6%. The unemployment rate is 4.7%. This is 18% higher than the state rate of 4.0%. The median home value is $235,700. Housing costs are 2% higher than the state median of $230,300. The home-value-to-income ratio is 3.5x. 63.5% of occupied housing units are owner-occupied. This homeownership rate is 7% lower than the state average of 68.1%.
Race & Ethnicity
The largest racial or ethnic group in Johnson County is White (non-Hispanic), making up 83.7% of the population. Hispanic or Latino residents account for 5.1%. The Black or African American population (4.3%) is well below the state average of 10.9%.
Education
29.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 10% lower than the state rate of 32.4%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.2%.
Data Sources & Methodology
All figures for Johnson County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Missouri and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Johnson County, Missouri?
Johnson County has a population of 54,732, making it the 21st most populous county in Missouri.
What is the median income in Johnson County?
The median household income in Johnson County is $67,272 with a poverty rate of 11.8%.
How many cities are in Johnson County, Missouri?
Johnson County contains 9 Census-designated places.