Some of the cities, towns, and places in Belmont County are Alledonia, Anvil, Armstrongs Mills, Badgertown, Bannock, Barnesville, Barton, Bellaire, Belmont, Bethesda, Blaine, Boston, Bridgeport, Brookside, Businessburg, Captina, Centerville, Colerain, Crescent, Dilles Bottom, Egypt, Fairpoint, Fairview, Farmington, Flushing, Glencoe, Goshen, Hendrysburg, Holloway, Hunter, Jacobsburg, Key, Kirkwood, Lafferty, Lamira, Lansing, Lloydsville, Martins Ferry, Maynard, McClainville, Mead, Morristown, Neffs, Pease, Pleasant Grove, Powhatan Point, Pultney, Richland, Riverview, Sewellsville, Shadyside, Smith, Somerset, Somerton, St. Clairsville, Steinersville, Stewartsville, Tacoma, Temperanceville, Union, Uniontown, Warnock, Warren, Washington, Wayne, Wheeling, Wilson, Wolfhurst, York, Yorkville
Belmont County is a county in the U.S. state of Ohio. As of the 2020 United States Census, the population was 66,497. Its county seat is St. Clairsville, while its largest city is Martins Ferry. The county was created on September 7, 1801, and organized on November 7, 1801. It takes its name from the French for "beautiful mountain".Belmont County is part of the Wheeling, West Virginia metropolitan area.