Mineral County, West Virginia

Founding: 1866
Parent county: Hampshire

Namesake: Coal deposits within the county
Seat: Keyser (1866–)

Land area: 328 square miles

Population (2020): 26,938

Population (historic): 6,332 (1870); 12,085 (1890); 16,674 (1910); 20,084 (1930)

Periods of population growth: pre-1870–1980; 1990–2010

Subdivisions: One city; four towns; three CDPs

Pre-1940 residences (estimated): 2,013 (15.3%)
Pre-1940 housing survival rate: 43%

Farm housing in disrepair (1950): 15.6%

Nonfarm housing in disrepair (1950): 14.5%

Average farmhouse value (1930): $1,146
Average outbuilding value (1930): $744
Average farmhouse size (1940): 5.6 rooms
Number of farms (1920): 769
Average farm size (1920): 92 acres
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Keyser

Namesake: William Keyser, Baltimore and Ohio Railroad president

Founding: 1811 (platting as Paddytown); 1811 (post office); 1874 (incorporation)

Population (2020): 4,853

Population (historic): 1,693 (1880); 2,563 (1900); 6,248 (1930)

Periods of population growth: pre-1880–1930; 1940s; 1960s; 2000s
Pre-1940 residences (estimated): 883 (36.4%)
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