Berkeley County, West Virginia
Founding: 1772 Parent county: Frederick Namesake: Unclear—either Norborne or William Berkeley, colonial Virginia governors Seat: Martinsburg (1772–) Land area: 321 square miles Population (2020): 122,076 Population (historic): 19,713 (1790); 10,518 (1830); 14,900 (1870); 19,469 (1900); 28,030 (1930) Periods of population growth: pre-1790–1800; 1830–2020 Subdivisions: One city; one town; two CDPs Pre-1940 residences (estimated): 3,578 (7.2%) Pre-1940 housing survival rate: 62.9% Pre-1860 housing survival rate (1940): 32.3% Farm housing in disrepair (1950): 8.5% Nonfarm housing in disrepair (1950): 7.5% Average farmhouse value (1930): $1,779 Average outbuilding value (1930): $1,475 Average farmhouse size (1940): 6.5 rooms Number of farms (1920): 1,290 Average farm size (1920): 105.8 acres _______________________________________________________________...