Warren County
Warren County is significantly wealthier than the US average, with a median household income of $110,132. The county has grown rapidly, with population up 58% since 2000. 46% of adults hold a bachelor's degree or higher. Median home value has more than doubled since 2000, reaching $349,400. Poverty is rare here, at 6.0% of residents. It ranks in the top 1% of US counties for household income.
Population & growth
PEP 2025 EST:257,181 residents (Census Bureau Vintage 2025, released March 2026)
Income & economy
Housing
Race & ethnicity
Detailed origins & ancestry
+ 9 more hispanic origin groups with data
+ 42 more ancestry groups with data
Education
Commute & transportation
Work & employment
People & community
Places similar to Warren County
Compare Warren County to nearby counties
How many people live in Warren County, Ohio?
Warren County, Ohio has about 250,008 residents according to the 2024 American Community Survey.
What is the median household income in Warren County, Ohio?
The typical household in Warren County, Ohio earns about $110,132 a year. Half of households make more than that, and half make less.
Is Warren County, Ohio expensive?
In Warren County, Ohio, the median home is worth about $349,400, and the typical rent is about $1,361 a month.
How educated are people in Warren County, Ohio?
About 45.6% of adults age 25 and over in Warren County, Ohio hold a bachelor's degree or higher.
What is the poverty rate in Warren County, Ohio?
About 6.0% of people in Warren County, Ohio live below the federal poverty line.
Has Warren County, Ohio grown since 1990?
Yes, Warren County, Ohio has grown since 1990. The population has added about 136,099 residents, a change of about 119 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024