Osage County
Osage County has roughly average household income, with a median household income of $74,467. Population has declined 6% since 2000. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $156,800. It sits in the top 10% of US counties for household income.
Population & growth
PEP 2025 EST:15,693 residents (Census Bureau Vintage 2025, released March 2026)
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How many people live in Osage County, Kansas?
Osage County, Kansas has about 15,744 residents according to the 2024 American Community Survey.
What is the median household income in Osage County, Kansas?
The typical household in Osage County, Kansas earns about $74,467 a year. Half of households make more than that, and half make less.
Is Osage County, Kansas expensive?
In Osage County, Kansas, the median home is worth about $156,800, and the typical rent is about $785 a month.
How educated are people in Osage County, Kansas?
About 21.6% of adults age 25 and over in Osage County, Kansas hold a bachelor's degree or higher.
What is the poverty rate in Osage County, Kansas?
About 9.7% of people in Osage County, Kansas live below the federal poverty line.
Has Osage County, Kansas grown since 1990?
Yes, Osage County, Kansas has grown since 1990. The population has added about 496 residents, a change of about 3 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024