St. Francois County, Missouri
Founding: 1821 Parent counties: Jefferson, Ste. Genevieve, and Washington Namesake: The St. Francis River Seat: Farmington (1822–) Land area: 452 square miles Population (2020): 66,922 Population (historic): 2,366 (1830); 4,964 (1850); 9,742 (1870); 24,051 (1900); 35,832 (1930) Periods of population growth: pre-1830–1910; 1920s; 1970–2010 Subdivisions: Eight cities; four CDPs; eight townships Pre-1940 residences (estimated): 3,826 (12.7%) Pre-1940 housing survival rate: 37.8% Pre-1860 housing survival rate (1940): 7.7% Farm housing in disrepair (1950): 18.1% Nonfarm housing in disrepair (1950): 11.2% Average farmhouse value (1930): $1,062 Average outbuilding value (1930): $744 Average farmhouse size (1940): 4.6 rooms Number of farms (1920): 1,266 Average farm size (1920): 79 acres Sources of settlement: Tennessee, Kentucky, Germany, and Ireland _________________...