Posey County, Indiana
Founding: 1814 Parent county: Warrick Namesake: Thomas Posey, Indiana territorial governor Seat: Mount Vernon (1816–) Land area: 410 square miles Population (2020): 25,222 Population (historic): 4,061 (1820); 12,549 (1850); 19,185 (1870); 22,333 (1900); 17,853 (1930) Periods of population growth: pre-1820–1900; 1930–1950; 1960–1980; 1990s Subdivisions: One city; four towns; one CDP; ten townships Pre-1940 residences (estimated): 1,834 (16%) Pre-1940 housing survival rate: 40.5% Pre-1860 housing survival rate (1940): 12% Farm housing in disrepair (1950): 8.3% Nonfarm housing in disrepair (1950): 9.1% Average farmhouse value (1930): $1,109 Average outbuilding value (1930): $956 Average farmhouse size (1940): 5.2 rooms Number of farms (1920): 2,071 Average farm size (1920): 102.2 acres Sources of settlement: Germany, Kentucky, Illinois, and T...