Osage County
Osage County has roughly average household income, with a median household income of $76,681. Population has held roughly steady since 2000. Median home value has more than doubled since 2000, reaching $223,300. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:13,611 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 12 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
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Compare Osage County to nearby counties
How many people live in Osage County, Missouri?
Osage County, Missouri has about 13,402 residents according to the 2024 American Community Survey.
What is the median household income in Osage County, Missouri?
The typical household in Osage County, Missouri earns about $76,681 a year. Half of households make more than that, and half make less.
Is Osage County, Missouri expensive?
In Osage County, Missouri, the median home is worth about $223,300, and the typical rent is about $639 a month.
How educated are people in Osage County, Missouri?
About 24.7% of adults age 25 and over in Osage County, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Osage County, Missouri?
About 8.6% of people in Osage County, Missouri live below the federal poverty line.
Has Osage County, Missouri grown since 1990?
Yes, Osage County, Missouri has grown since 1990. The population has added about 1,384 residents, a change of about 12 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024