Jefferson County, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Ohio
The population of Jefferson County, Ohio is 64,855 as of the 2023 American Community Survey, making it the 39th-largest county in Ohio. The median household income is $56,983, the median home value is $120,600, and the median age is 44.2.
The population of Jefferson County has declined 8.3% since 2010 (69,669 → 63,900), a -0.62% annualized rate.
64,855
Population
-0.62%
Annual growth
159
People / sq mi
$56,983
Median Income
$120,600
Median Home Value
Jefferson County covers 408 sq mi of land at 158.9 people per square mile.
About Jefferson County, OH
Jefferson County is a county in Ohio with a population of 64,855. It ranks #39 among counties in Ohio by population. The median age is 44.2, older than the national median. The population is 49.1% male and 50.9% female.
The median household income in Jefferson County is $56,983, below the US median of $74,580. 12.6% of residents live below the federal poverty level. Home values sit at a median of $120,600, with monthly rent averaging $792. The homeownership rate of 71.8% is higher than the national rate of 64.8%.
Educational attainment in Jefferson County reflects 20.6% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 8.1% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 23.5 minutes each way.
Jefferson County Population History (2010-2024)
The county of Jefferson County had a population of 69,669 in 2010 and 63,900 in 2024, a -8.3% growth over 14 years. The peak was 69,669 in 2010. Average annual growth rate: -0.62%.
63,900
Population (2024)
69,669
Population (2010)
69,669
Peak (2010)
-0.62%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 69,669 |
| 2011 | 69,046 |
| 2012 | 68,557 |
| 2013 | 68,200 |
| 2014 | 67,916 |
| 2015 | 67,546 |
| 2016 | 66,993 |
| 2017 | 66,398 |
| 2018 | 65,889 |
| 2019 | 65,494 |
| 2020 | 65,186 |
| 2021 | 65,101 |
| 2022 | 64,286 |
| 2023 | 64,116 |
| 2024 | 63,900 |
Race & Ethnicity
| White | 89.6% |
| Black or African American | 5.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.7% |
| Two or More Races | 0.0% |
Age & Sex
44.2
Median Age
50.9%
Female
49.1%
Male
22.1%
Age 65+
Age Distribution
Children (under 15): 15.8% · Seniors (65+): 22.1%
Income & Poverty
| Median household income | $56,983$-12,697 vs state |
| Mean household income | $72,319 |
| Per-capita income | $31,646 |
| Poverty rate | 12.6%+3.4% vs state |
| Unemployment rate | 2.8% |
| Employment-to-population | 52.7% |
Top Industries by Employment
The largest employment sector in Jefferson County is professional & business services, accounting for 26.0% of workers.
How residents commute
0.4%
Drive alone
3.9%
Carpool
81.4%
Public transit
8.1%
Work from home
23.5 min
Avg commute
Housing
$120,600$-78,600 vs state
Median home value
$792
Median rent
71.8%
Homeownership rate
31,118
Total housing units
87.2%
Occupied
12.8%
Vacant
28.2%
Renter-occupied
Social & access
94.7%
With health insurance
87.6%
With broadband internet
32.6%
Foreign-born
7.7%
Veterans (18+)
17.6%
With a disability
97.9%
Speak language other than English at home
Education
92.9%
High School+
20.6%
Bachelor's+
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Part of Ohio
Metro areas in Ohio
County rankings
Frequently Asked Questions
Jefferson County, Ohio has a population of 64,855 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Ohio. Population density is 159 people per square mile.
The population of Jefferson County has declined 8.3% since 2010 (69,669 → 63,900), a -0.62% annualized rate.
The median household income in Jefferson County, Ohio is $56,983, with mean (average) household income of $72,319 and per-capita income of $31,646. 12.6% of residents live below the federal poverty level.
In Jefferson County, the largest racial and ethnic groups are White (89.6%), Black or African American (5.4%), Hispanic or Latino (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Jefferson County, Ohio is 44.2 years. Residents are 50.9% female and 49.1% male.
The median home value in Jefferson County is $120,600 and median monthly rent is $792. 71.8% of occupied housing units are owner-occupied. The county has 31,118 total housing units, 12.8% of which are vacant.
The largest employment sector in Jefferson County, Ohio is professional, scientific, and management services, employing 26.0% of workers. The unemployment rate is 2.8%.
Columbus is among the largest cities associated with Jefferson County, Ohio, with a population of 906,480.
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Statewide data for Ohio
Population, race, income, age, and trends across Ohio
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.