Belmont County Map, Ohio

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

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

Map of Belmont County, Ohio

Map of Belmont County, Ohio

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

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About Belmont County, Ohio

Belmont County is a county located in the U.S. state of Ohio. It's county seat is St. Clairsville. As per 2020 census, the population of Belmont County is 65849 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 537.35 sq mi (1,392 km2). Belmont County was established on -35908.

Belmont County Facts

ContinentNorth America
CountryUnited States
StateOhio
County SeatSt. Clairsville
Largest City/TownMartins Ferry
Established1801
Total Area537 sq mi
Land Area532 sq mi
Water Area5 sq mi
Population66,497 (Census 2020)
Population Density125 people per sq mi
Time ZoneEastern (EST)
Major HighwaysI-70, US-40, US-22, I-470
Neighboring CountiesHarrison County (OH), Guernsey County (OH), Monroe County (OH), Washington County (PA), Marshall County (WV), Ohio County (WV)
Famous ForOhio River valley, coal mining history, Appalachian heritage
Top AttractionsBarkcamp State Park, Belmont County Heritage Museum, Ohio Valley Mall area
Official Websitehttps://belmontcountyohio.org

Cities and Towns in Belmont County, Ohio

  • St. Clairsville (county seat) – 5,115 (Census 2020)
  • Martins Ferry – 6,260 (Census 2020)
  • Bellaire – 3,869 (Census 2020)
  • Bridgeport – 1,930 (Census 2020)

Roads and Highways in Belmont County, Ohio

Belmont County is a key transportation corridor in eastern Ohio, connecting the state to West Virginia and Pennsylvania.

  • Interstate 70 (I-70) – Major east-west interstate connecting Columbus and Wheeling, WV
  • Interstate 470 (I-470) – Bypass route around Wheeling, WV serving the county
  • U.S. Route 40 (US-40) – Historic National Road passing through the county
  • U.S. Route 22 (US-22) – Connects the county to Steubenville and Pennsylvania

Neighboring Counties of Belmont County

  • Harrison County (north)
  • Guernsey County (west)
  • Monroe County (south)
  • Washington County, Pennsylvania (east)
  • Marshall County, West Virginia (southeast)
  • Ohio County, West Virginia (south)

Top Attractions in Belmont County, Ohio

Belmont County offers river views, parks, and historic Appalachian landmarks.

  • Barkcamp State Park – Lake, camping, and hiking trails
  • Belmont County Heritage Museum – Local history exhibits
  • Ohio River Scenic Byway – Scenic driving route along the river
  • Hannibal Locks and Dam – Engineering landmark on the Ohio River
  • National Road Heritage Area – Historic transportation corridor
  • St. Clairsville Historic Downtown – Shops, restaurants, and historic buildings
  • Belmont Hills Country Club – Golf and recreation facility

Distance from Belmont County to Nearby Cities

  • St. Clairsville to Columbus – 125 mi (201 km)
  • St. Clairsville to Pittsburgh, PA – 75 mi (121 km)
  • St. Clairsville to Wheeling, WV – 10 mi (16 km)
  • St. Clairsville to Cleveland – 140 mi (225 km)
  • St. Clairsville to Cincinnati – 190 mi (306 km)

FAQs about Belmont County

What is Belmont County, Ohio known for?

Belmont County is known for its Ohio River valley, coal mining history, and Appalachian heritage.

What is the county seat of Belmont County?

St. Clairsville is the county seat of Belmont County.

Does Belmont County border West Virginia?

Yes, Belmont County borders West Virginia along the Ohio River.

What are popular attractions in Belmont County?

Visitors enjoy Barkcamp State Park, the Ohio River Scenic Byway, and historic downtown St. Clairsville.

Is Belmont County part of Appalachia?

Yes, Belmont County is part of the Appalachian region of southeastern Ohio.