Wibaux County, Montana

Founding: 1914
Parent counties: Dawson, Fallon, and Richland
Namesake: Pierre Wibaux, local cattle rancher
Seat: Wibaux (1914–)
Land area: 889 square miles
Population (2020): 937
Population (historic): 3,113 (1920); 2,767 (1930); 2,161 (1940)
Periods of population growth: 1900–1920
Subdivisions: One town
Pre-1940 residences (estimated): 192 (31.6%)
Pre-1940 housing survival rate: 31.3%

Farm housing in disrepair (1950): 26.2%

Nonfarm housing in disrepair (1950): 20.6%

Average farmhouse value (1930): $942
Average outbuilding value (1930): $1,107

Average farmhouse size (1940): 4.8 rooms

Number of farms (1920): 530
Average farm size (1920): 264.7 acres
Sources of settlement: Minnesota, Wisconsin, Iowa, Illinois, North Dakota, and South Dakota
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Wibaux

 
Namesake: Pierre Wibaux, local cattle rancher
Founding: circa 1885 (founding as Mingusville); 1895 (post office); 1911 (incorporation)
Population (2020): 589
Population (historic): 487 (1910); 611 (1920); 619 (1930)
Periods of population growth: pre-1910–1920; 1940s; 1970s; 2000s
Pre-1940 residences (estimated): 117 (32.1%)
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