Unicoi County, Tennessee

Founding: 1875
Parent counties: Carter and Washington

Namesake: A Cherokee word referencing the area's fogs
Seat: Erwin (1875–)

Land area: 186 square miles

Population (2020): 17,928

Population (historic): 3,645 (1880); 5,851 (1900); 12,678 (1930)

Periods of population growth: pre-1880–1950; 1960–2010

Subdivisions: Two towns; one CDP

National Register listings: Four

Pre-1940 residences (estimated): 1,231 (13.8%)
Pre-1940 housing survival rate: 43.3%

Farm housing in disrepair (1950): 19.8%

Nonfarm housing in disrepair (1950): 11.2%

Average farmhouse value (1930): $595
Average outbuilding value (1930): $251
Average farmhouse size (1940): 4.3 rooms
Number of farms (1920): 811
Average farm size (1920): 26.9 acres
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Erwin

Namesake: David Ervin, owner of the city site

Founding: 1879 (post office); 1903 (incorporation)

Population (2020): 6,083

Population (historic): 1,149 (1910); 2,965 (1920); 3,623 (1930)

Periods of population growth: pre-1910–1930; 1940s; 1960–2010
Pre-1940 residences (estimated): 752 (26.1%)
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Outstanding Buildings

1. *Shepherd Anderson House (c. 1860?). 3300 Anderson Road.
2. *Josiah Samo House (1869). 4641 Old Asheville Highway.