Buchanan County
Buchanan County has lower-than-average household income, with a median household income of $62,158. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $166,300.
Population & growth
PEP 2025 EST:83,540 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 Buchanan County
Compare Buchanan County to nearby counties
How many people live in Buchanan County, Missouri?
Buchanan County, Missouri has about 83,568 residents according to the 2024 American Community Survey.
What is the median household income in Buchanan County, Missouri?
The typical household in Buchanan County, Missouri earns about $62,158 a year. Half of households make more than that, and half make less.
Is Buchanan County, Missouri expensive?
In Buchanan County, Missouri, the median home is worth about $166,300, and the typical rent is about $902 a month.
How educated are people in Buchanan County, Missouri?
About 23.9% of adults age 25 and over in Buchanan County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Buchanan County, Missouri?
About 16.0% of people in Buchanan County, Missouri live below the federal poverty line.
Has Buchanan County, Missouri grown since 1990?
Yes, Buchanan County, Missouri has grown since 1990. The population has added about 485 residents, a change of about 1 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024