Hot Springs County, Wyoming

Founding: 1913 (declared in 1911)
Parent counties: Big Horn, Fremont, and Park

Namesake: Hot springs within the county
Seat: Thermopolis (1913–)

Land area: 2,004 square miles

Population (2020): 4,621

Population (historic): 5,164 (1920); 5,476 (1930)

Periods of population growth: pre-1920–1930; 1940–1960; 1970s

Subdivisions: Three towns; two CDPs

National Register listings: 11

Pre-1940 residences (estimated): 391 (15.2%)
Pre-1940 housing survival rate: 28.7%

Farm housing in disrepair (1950): 11.6%

Nonfarm housing in disrepair (1950): 7.1%

Average farmhouse value (1930): $1,060
Average outbuilding value (1930): $1,259
Average farmhouse size (1940): 3.5 rooms
Number of farms (1920): 197
Average farm size (1920): 125.1 acres
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Thermopolis

Namesake: Hot springs near the city site

Founding: 1895 (post office); 1897 (platting); 1899 (incorporation)

Population (2020): 2,725

Population (historic): 299 (1900); 1,524 (1910); 2,005 (1920); 2,129 (1930)

Periods of population growth: 1900–1920; 1930–1960; 1970s
Pre-1940 residences (estimated): 290 (18.9%)

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