Mahnomen County, Minnesota

Founding: 1906
Parent county: Norman
Namesake: The city of Mahnomen
Seat: Mahnomen (1906–)
Land area: 558 square miles
Population (2020): 5,411
Population (historic): 3,249 (1910); 6,197 (1920); 6,153 (1930)
Periods of population growth: pre-1910–1920; 1930s; 1990–2010
Subdivisions: Three cities; nine CDPs; 16 townships
National Register listings: Three
Pre-1940 residences (estimated): 417 (15%)
Pre-1940 housing survival rate: 38.4%

Farm housing in disrepair (1950): 17.5%

Nonfarm housing in disrepair (1950): 19.2%

Average farmhouse value (1930): $844
Average outbuilding value (1930): $1,062

Average farmhouse size (1940): 4.1 rooms

Number of farms (1920): 590
Average farm size (1920): 139.4 acres
Sources of settlement: Minnesota, Germany, Czechoslovakia, Iowa, and Scandinavia
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Mahnomen

 
Namesake: An Ojibwe word meaning "wild rice"
Founding: 1904 (platting); 1904 (post office); 1905 (incorporation)
Population (2020): 1,240
Population (historic): 796 (1910); 1,076 (1920); 989 (1930)
Periods of population growth: pre-1910–1920; 1930–1950; 1990–2020
Pre-1940 residences (estimated): 95 (17.4%)
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