Cavalier County, North Dakota
Founding: 1884 (declared in 1873) Parent county: Pembina Namesake: Charles Cavaleer, Minnesota librarian Seat: Langdon (1884–) Land area: 1,489 square miles Population (2020): 3,704 Population (historic): 6,471 (1890); 15,659 (1910); 14,554 (1930) Periods of population growth: pre-1890–1910 Subdivisions: 12 towns; 40 townships Pre-1940 residences (estimated): 352 (15.2%) Pre-1940 housing survival rate: 24.4% Farm housing in disrepair (1950): 9.8% Nonfarm housing in disrepair (1950): 10.3% Average farmhouse value (1930): $1,518 Average outbuilding value (1930): $1,722 Average farmhouse size (1940): 5.5 rooms Number of farms (1920): 2,014 Average farm size (1920): 378.8 acres Sources of settlement: Canada, Norway, Minnesota, France, Russia, and Germany _________________________________________________________________________________ Langdon Namesake: Robert...