McNairy County, Tennessee

Founding: 1824
Parent county: Unorganized territory

Namesake: John McNairy, Tennessee judge
Seat: Purdy (1824–1890); Selmer (1890–)

Land area: 563 square miles

Population (2020): 25,866

Population (historic): 5,697 (1830); 12,726 (1870); 15,510 (1890); 16,536 (1910); 19,901 (1930)

Periods of population growth: pre-1830–1860; 1870s; 1890s; 1910–1940; 1960–1980; 1990–2010

Subdivisions: Two cities; eight towns

National Register listings: Four

Pre-1940 residences (estimated): 497 (4.1%)
Pre-1940 housing survival rate: 16.4%
Pre-1860 housing survival rate (1940): 2.8%

Farm housing in disrepair (1950): 35.1%

Nonfarm housing in disrepair (1950): 23.8%

Average farmhouse value (1930): $352
Average outbuilding value (1930): $138
Average farmhouse size (1940): 3.7 rooms
Number of farms (1920): 3,263
Average farm size (1920): 36.1 acres
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Selmer

Namesake: Selma, Alabama

Founding: circa 1890 (founding); 1901 (incorporation)

Population (2020): 4,446

Population (historic): 588 (1900); 529 (1910); 546 (1920); 925 (1930)

Periods of population growth: pre-1900; 1910–1980; 1990s
Pre-1940 residences (estimated): 99 (5.5%)
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