Poweshiek County, Iowa
Founding: 1848 (declared in 1843) Parent county: Unorganized territory Namesake: Poweshiek, Meskwaki chief Seat: Montezuma (1848–) Land area: 585 square miles Population (2020): 18,662 Population (historic): 615 (1850); 15,581 (1870); 18,394 (1880); 19,414 (1900); 18,727 (1930) Periods of population growth: pre-1850–1880; 1890–1920; 1930–1950; 1970s Subdivisions: Ten cities; one CDP; 16 townships Pre-1940 residences (estimated): 2,341 (25.6%) Pre-1940 housing survival rate: 55.4% Pre-1860 housing survival rate (1940): 9.6% Farm housing in disrepair (1950): 1.8% Nonfarm housing in disrepair (1950): 4.4% Average farmhouse value (1930): $2,121 Average outbuilding value (1930): $2,383 Average farmhouse size (1940): 6.8 rooms Number of farms (1920): 2,179 Average farm size (1920): 145.9 acres Sources of settlement: Ohio, Illinois, Pennsylvania, New York, Indiana, and...