Westmoreland County, Virginia

Founding: 1653
Parent county: Northumberland
Namesake: Westmorland, England
Seat: Currioman Bay (1653–1680s); Montross (1680s–)
Land area: 229 square miles
Population (2020): 18,477
Population (historic): 6,901 (1820); 8,080 (1850); 7,682 (1870); 9,243 (1900); 8,497 (1930)
Periods of population growth: pre-1790–1810; 1820s; 1840–1860; 1870s; 1890–1920; 1930–2020
Subdivisions: Two towns
Pre-1940 residences (estimated): 974 (8.8%)
Pre-1940 housing survival rate: 40.5%
Pre-1860 housing survival rate (1940): 9.8%

Farm housing in disrepair (1950): 10.3%

Nonfarm housing in disrepair (1950): 13.6%

Average farmhouse value (1930): $1,275
Average outbuilding value (1930): $559

Average farmhouse size (1940): 5.1 rooms

Number of farms (1920): 1,455
Average farm size (1920): 41.5 acres
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Montross

 
Namesake: Unknown
Founding: 1680s (founding as Westmoreland Court House); 1792 (post office); 1946 (incorporation)
Population (2020): 553
Population (historic): 331 (1950); 394 (1960)
Periods of population growth: pre-1950–1980; 2000–2020
Pre-1940 residences (estimated): 49 (22.5%)
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