Niobrara County, Wyoming

Founding: 1913 (declared in 1911)
Parent county: Converse

Namesake: The Niobrara River
Seat: Lusk (1913–)

Land area: 2,626 square miles

Population (2020): 2,467

Population (historic): 6,321 (1920); 4,723 (1930); 5,988 (1940)

Periods of population growth: pre-1920; 1930s; 2000s

Subdivisions: Three towns; one CDP

National Register listings: Six

Pre-1940 residences (estimated): 592 (43.7 %)
Pre-1940 housing survival rate: 32.8%

Farm housing in disrepair (1950): 21.6%

Nonfarm housing in disrepair (1950): 12.2%

Average farmhouse value (1930): $1,145
Average outbuilding value (1930): $478
Average farmhouse size (1940): 3.9 rooms
Number of farms (1920): 739
Average farm size (1920): 82 acres
Sources of settlement: Nebraska, Wyoming, Iowa, and Illinois
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Lusk

Namesake: Frank Lusk, local rancher

Founding: 1886 (platting); 1886 (post office); 1886 (incorporation)

Population (2020): 1,541

Population (historic): 253 (1890); 414 (1910); 2,092 (1920); 1,218 (1930)

Periods of population growth: pre-1890; 1900–1920; 1930–1950; 1970s
Pre-1940 residences (estimated): 365 (45.5%)
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