Carroll County, Virginia

Founding: 1842
Parent county: Grayson
Namesake: Charles Carroll, Maryland politician
Seat: Hillsville (1842–)
Land area: 475 square miles
Population (2020): 29,155
Population (historic): 5,909 (1850); 9,147 (1870); 15,497 (1890); 21,116 (1910); 22,141 (1930)
Periods of population growth: pre-1850–1950; 1970s; 1990–2010
Subdivisions: One town; three CDPs
National Register listings: Nine
Pre-1940 residences (estimated): 1,072 (6.4%)
Pre-1940 housing survival rate: 26.5%
Pre-1860 housing survival rate (1940): 6.3%

Farm housing in disrepair (1950): 18.8%

Nonfarm housing in disrepair (1950): 16.9%

Average farmhouse value (1930): $780
Average outbuilding value (1930): $294

Average farmhouse size (1940): 4.4 rooms

Number of farms (1920): 3,569
Average farm size (1920): 48.6 acres
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Hillsville

 
Namesake: Unknown—perhaps a descriptive name
Founding: 1832 (post office); 1878 (incorporation)
Population (2020): 2,884
Population (historic): 181 (1850); 268 (1870); 485 (1930)
Pre-1940 residences (estimated): 31 (2.4%)
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Outstanding Buildings

1. *Thomas Felts Estate (1902). 506 Cliffview Road. Queen Anne.
2. *Sidna Allen House (1911). 5935 Fancy Gap Highway. Queen Anne.
3. *James Martin House (1910). 5893 Snake Creek Road. Queen Anne.