Johnson County
Johnson County has lower-than-average household income, with a median household income of $67,272. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $235,700. At a median age of 31.5, residents skew younger than the country as a whole.
Population & growth
PEP 2025 EST:56,670 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 2 more hispanic origin groups with data
+ 35 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Johnson County
Compare Johnson County to nearby counties
How many people live in Johnson County, Missouri?
Johnson County, Missouri has about 54,732 residents according to the 2024 American Community Survey.
What is the median household income in Johnson County, Missouri?
The typical household in Johnson County, Missouri earns about $67,272 a year. Half of households make more than that, and half make less.
Is Johnson County, Missouri expensive?
In Johnson County, Missouri, the median home is worth about $235,700, and the typical rent is about $932 a month.
How educated are people in Johnson County, Missouri?
About 29.1% of adults age 25 and over in Johnson County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Johnson County, Missouri?
About 11.8% of people in Johnson County, Missouri live below the federal poverty line.
Has Johnson County, Missouri grown since 1990?
Yes, Johnson County, Missouri has grown since 1990. The population has added about 12,218 residents, a change of about 29 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024