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
Housing cost is the defining feature of Jefferson County: the median home is valued at $120,600. Jefferson County is a county in Ohio with a population of 64,855. It ranks #39 among counties in Ohio by population.
Household earnings are middling, with a median of $56,983 — below the US median of $78,538. Roughly 12.6% of residents fall below the poverty line, close to the national 12.4%. Homes are comparatively cheap — a median value of $120,600, with typical rent around $792.
Roughly 20.6% of adults have a bachelor’s, below the national 35.0%. Remote work is below the national 14.0% at 8.1%, and the average commute runs about 24 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+
Largest cities in Ohio
Other counties in Ohio
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.
Jefferson County, OH Climate
Jefferson County, OH has an average annual temperature of 10.2°C (50°F) and receives about 995 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.2°C
Avg Temp
995
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -3° / 27° | 64 mm |
| February | -1° / 30° | 58 mm |
| March | 4° / 39° | 79 mm |
| April | 10° / 49° | 85 mm |
| May | 15° / 59° | 105 mm |
| June | 20° / 67° | 103 mm |
| July | 22° / 72° | 109 mm |
| August | 21° / 70° | 88 mm |
| September | 18° / 64° | 81 mm |
| October | 11° / 52° | 65 mm |
| November | 6° / 42° | 82 mm |
| December | 0° / 32° | 76 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Jefferson County, OH
The most comfortable months to visit Jefferson County, OH are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 28°C high). The coldest is January (near -7°C low). July is usually the wettest month.
Where to stay near Jefferson County
Visiting or relocating to Jefferson County, OH? Compare hotels and short-term rentals across the county — live availability and prices.
Top-rated places to stay near Jefferson County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a move to Jefferson County?
Get relocation and cost-of-living insights for Jefferson County, OH by email. No spam, unsubscribe anytime.
More from Ohio
Population 1,321,635
Population 1,249,418
Population 827,878
Population 538,087
Full rankings of Ohio counties
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.