DeKalb County, Missouri
Founding: 1845 (declared in 1843) Parent county: Unorganized territory Namesake: Johann de Kalb, Continental Army general Seat: Maysville (1845–) Land area: 421 square miles Population (2020): 11,029 Population (historic): 2,075 (1850); 9,858 (1870); 14,539 (1890); 12,531 (1910); 10,270 (1930) Periods of population growth: pre-1850–1890; 1960–2010 Subdivisions: Four cities; two villages; nine townships Pre-1940 residences (estimated): 794 (18.3%) Pre-1940 housing survival rate: 31.6% Pre-1860 housing survival rate (1940): 2% Farm housing in disrepair (1950): 4.4% Nonfarm housing in disrepair (1950): 5.9% Average farmhouse value (1930): $1,546 Average outbuilding value (1930): $1,220 Average farmhouse size (1940): 5.6 rooms Number of farms (1920): 2,023 Average farm size (1920): 118.6 acres Sources of settlement: Ohio, Illinois, Kentucky, India...