Jefferson County Map, Ohio

Written and Fact-checked by | Updated On: April 30, 2026 | 13:31 ET

Map of Jefferson County - Jefferson County is a county located in the U.S. state of Ohio. Jefferson County Map showing cities, highways, important places and water bodies. Get Where is Jefferson County located in the map, major cities in Jefferson county, population, areas, and places of interest.

Map of Jefferson County, Ohio

Map of Jefferson County, Ohio

About Jefferson County Map, Ohio: The map showing the county boundary, county seat, major cities, highways, water bodies and neighbouring counties.

Ohio More Maps & Info

Ohio MapOhio County MapOhio Cities Map
Ohio ZipcodesWhere is OhioWhere is Akron
Ohio Area CodesOhio Blank MapOhio River Map
Ohio Physical MapOhio Road MapWhere is Cincinnati
Where is Cleveland/a>Where is ColumbusWhere is Toledo

About Jefferson County, Ohio

Jefferson County is a county located in the U.S. state of Ohio. It's county seat is Steubenville. As per 2020 census, the population of Jefferson County is 64789 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 409.61 sq mi (1,061 km2). Jefferson County was established on -37408.

Jefferson County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatSteubenville
Largest City/TownSteubenville
EstablishedJuly 29, 1797
Total Area411 sq mi (1,065 sq km)
Land Area408 sq mi (1,057 sq km)
Water Area3.0 sq mi (7.8 sq km)
Population65,249 (Census 2020)
Population Density160 people per sq mi
Time ZoneEastern Time Zone (ET)
Major HighwaysUS-22, State Route 7, State Route 43, State Route 152, State Route 151
Neighboring CountiesColumbiana County, Carroll County, Harrison County, Belmont County, Brooke County (WV)
Famous ForOhio River, steel industry history, Dean Martin hometown
Top AttractionsHistoric Fort Steuben, Steubenville Murals, Ohio Riverfront, Franciscan University
Official Websitehttps://www.jeffersoncountyoh.com/

Cities and Towns in Jefferson County, Ohio

  • Steubenville (county seat) – 18,161 (Census 2020)
  • Toronto – 4,797 (Census 2020)
  • Wintersville – 3,924 (Census 2020)
  • Mingo Junction – 3,369 (Census 2020)

Roads and Highways in Jefferson County, Ohio

Jefferson County is served by major highways that connect it to eastern Ohio and neighboring West Virginia.

  • US-22 – major east-west route linking Steubenville to Cambridge and Pittsburgh
  • State Route 7 – runs north-south along the Ohio River through the county
  • State Route 43 – connects Steubenville to Carrollton and Canton
  • State Route 152 – links Steubenville to Richmond and surrounding areas
  • State Route 151 – connects the county to Harrison County and nearby communities

Neighboring Counties of Jefferson County

  • Columbiana County (north)
  • Carroll County (west)
  • Harrison County (southwest)
  • Belmont County (south)
  • Brooke County, West Virginia (east)

Top Attractions in Jefferson County, Ohio

Jefferson County offers historic landmarks, riverfront views, and cultural attractions.

  • Historic Fort Steuben – reconstructed fort with exhibits and events
  • Steubenville Murals – public art displays highlighting local history
  • Ohio Riverfront – scenic area for walking and relaxing
  • Franciscan University of Steubenville – well-known private university
  • Beatty Park – large park with trails, playgrounds, and green space
  • Jefferson County Historical Museum – showcases local history
  • Toronto Riverfront Park – peaceful spot along the river
  • Mount Pleasant Historic District – area with historic buildings and heritage sites

Distance from Jefferson County to Nearby Cities

  • Jefferson County to Pittsburgh – 40 mi (64 km)
  • Jefferson County to Wheeling – 30 mi (48 km)
  • Jefferson County to Columbus – 130 mi (209 km)
  • Jefferson County to Cleveland – 120 mi (193 km)
  • Jefferson County to Canton – 70 mi (113 km)

FAQs about Jefferson County

Where is Jefferson County located?

Jefferson County is located in eastern Ohio along the Ohio River.

What is Jefferson County known for?

It is known for its steel industry history, riverfront, and as the hometown of Dean Martin.

What is the population of Jefferson County?

The population was 65,249 according to the 2020 Census.

What is the county seat of Jefferson County?

The county seat is Steubenville.

Are there attractions in Jefferson County?

Yes, the county has historic sites, museums, parks, and riverfront areas.