County Maps US

Jefferson County, Ohio

A county in Ohio, ranked 40 of 88 by population.

CountyFIPS 39081

Within Ohio
Jefferson County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Steubenville, the county seat, located via the 2025 Census Gazetteer.

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Population
63,597
-1,562 (-2.4%) since 2020
Land area
408.1
square miles. A further 0.7% of the total area is water
Population density
156
people per square mile, computed rather than published
County seat
Steubenville
Seat of county government.
Established
1797
228 years ago
Largest city
Steubenville city
Population 17,922.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Jefferson County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Jefferson County, Ohio from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 511 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Jefferson County ranks

Position among the 88 counties of Ohio, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn OhioNationally
Population63,59740th of 88860th of 3,144
Land area408.1 sq mi66th of 882,478th of 3,144
Population density156 per sq mi33rd of 88678th of 3,144
Median household income$59,05569th of 882,165th of 3,143

Full data for Jefferson County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population63,597Vintage 2025 Population Estimates
Population in 202065,159Vintage 2025 Population Estimates
2020 estimates base?65,230Vintage 2025 Population Estimates
Land area408.1 sq mi2025 Gazetteer Files
Water area2.8 sq mi2025 Gazetteer Files
Total area411 sq mi2025 Gazetteer Files
Population density?156 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$59,055American Community Survey 2020-2024 5-Year Estimates
Median home value$127,800American Community Survey 2020-2024 5-Year Estimates
Median age44.3American Community Survey 2020-2024 5-Year Estimates
Households27,143American Community Survey 2020-2024 5-Year Estimates
Housing units31,025American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-473
482 births, 955 deaths
Net migration
+203
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 7 areas bordering Jefferson County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Harrison CountyOhio23 mi14,070
Brooke CountyWest Virginia17 mi21,142
Carroll CountyOhio16 mi26,475
Hancock CountyWest Virginia16 mi27,729
Columbiana CountyOhio11 mi99,377
Belmont CountyOhio9.9 mi64,434
Ohio CountyWest Virginia2.3 mi40,496

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 88 counties of Ohio

Open the interactive Ohio county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.