Belmont County, Ohio
Founding: 1801 Parent counties: Jefferson and Washington Naming: A traditional name—French for "beautiful mountain" Seat: Pultney (1801–1803); St. Clairsville (1803–) Land area: 532 square miles Population (2020): 66,497 Population (historic): 11,097 (1810); 34,600 (1850); 49,638 (1880); 60,875 (1900); 94,719 (1930) Periods of population growth: pre-1800–1940; 1970s Subdivisions: Two cities; 14 villages; six CDPs; 16 townships Pre-1940 residences (estimated): 10,523 (32.6%) Pre-1940 housing survival rate: 41.8% Pre-1860 housing survival rate (1940): 22.1% Farm housing in disrepair (1950): 11.4% Nonfarm housing in disrepair (1950): 9% Average farmhouse value (1930): $1,326 Average outbuilding value (1930): $841 Average farmhouse value (1940): 6 rooms Number of farms (1920): 3,556 Average farm size (1920): 66.1 acres Sources of settlement: ...