Jefferson County
Jefferson County has notably lower household income than the US average, with a median household income of $59,055. Population has declined 13% since 2000. 20% 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 $127,800. With a median age of 44.3, the population is older than the US median of 38.9.
Population & growth
PEP 2025 EST:63,597 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 Jefferson County
Compare Jefferson County to nearby counties
How many people live in Jefferson County, Ohio?
Jefferson County, Ohio has about 64,518 residents according to the 2024 American Community Survey.
What is the median household income in Jefferson County, Ohio?
The typical household in Jefferson County, Ohio earns about $59,055 a year. Half of households make more than that, and half make less.
Is Jefferson County, Ohio expensive?
In Jefferson County, Ohio, the median home is worth about $127,800, and the typical rent is about $835 a month.
How educated are people in Jefferson County, Ohio?
About 20.3% of adults age 25 and over in Jefferson County, Ohio hold a bachelor's degree or higher.
What is the poverty rate in Jefferson County, Ohio?
About 16.5% of people in Jefferson County, Ohio live below the federal poverty line.
Has Jefferson County, Ohio grown since 1990?
Yes, Jefferson County, Ohio has shrunk since 1990. The population has lost about 15,780 residents, a change of about -20 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024