Monongalia County, West Virginia
Founding: 1776 Parent counties: Hampshire and the District of West Augusta Namesake: Unclear—perhaps the Monongahela River Seat: Phillips' Choice Plantation (1776–1779); Mifflintown (1779–1783); Morgantown (1783–) Land area: 360 square miles Population (2020): 105,822 Population (historic): 4,768 (1790); 14,056 (1830); 13,048 (1860); 15,705 (1890); 50,083 (1930) Periods of population growth: pre-1790–1810; 1820–1840; 1850–1950; 1960–2020 Subdivisions: Two cities; three towns; four CDPs Pre-1940 residences (estimated): 6,110 (13.6%) Pre-1940 housing survival rate: 46.8% Pre-1860 housing survival rate (1940): 16.6% Farm housing in disrepair (1950): 14.4% Nonfarm housing in disrepair (1950): 13.7% Average farmhouse value (1930): $1,451 Average outbuilding value (1930): $626 Average farmhouse size (1940): 5.3 rooms Number of farms (1920): 1,805 Average ...