Prairie County, Montana
Founding: 1915 Parent counties: Custer, Dawson, and Fallon Namesake: The county's landscape Seat: Terry (1915–) Land area: 1,737 square miles Population (2020): 1,088 Population (historic): 3,684 (1920); 3,941 (1930); 2,410 (1940) Periods of population growth: pre-1920–1930; 1970s Subdivisions: One town; one CDP Pre-1940 residences (estimated): 229 (34.4%) Pre-1940 housing survival rate: 45.4% Farm housing in disrepair (1950): 14.6% Nonfarm housing in disrepair (1950): 15.6% Average farmhouse value (1930): $753 Average outbuilding value (1930): $731 Average farmhouse size (1940): 4.2 rooms Number of farms (1920): 673 Average farm size (1920): 187.4 acres _________________________________________________________________________________ Terry Namesake: Alfred Terry, U.S. army general Founding: 1882 (post office); 1910 (incorporation) Population (2...