Gallatin County, Illinois
Founding: 1812 Parent county: Randolph Namesake: Albert Gallatin, Pennsylvania politician Seat: Shawneetown (1812–1937); New Shawneetown (1937–) Land area: 323 square miles Population (2020): 4,946 Population (historic): 3,155 (1820); 5,448 (1850); 11,134 (1870); 15,836 (1900); 10,091 (1930) Periods of population growth: pre-1820–1840; 1850–1900; 1930s; 1970s Subdivisions: One city; six villages; ten townships Pre-1940 residences (estimated): 479 (17.4%) Pre-1940 housing survival rate: 19.6% Pre-1860 housing survival rate (1940): 9.1% Farm housing in disrepair (1950): 17% Nonfarm housing in disrepair (1950): 25.4% Average farmhouse value (1930): $927 Average outbuilding value (1930): $681 Average farmhouse size (1940): 4.4 rooms Number of farms (1920): 1,387 Average farm size (1920): 98 acres Sources of settlement: Kentucky, Indiana, and Tennes...