Founding: 1916 Parent county: Morton Namesake: Ulysses Grant, U.S. president Seat: Carson (1916–) Land area: 1,659 square miles Population (2020): 2,301 Population (historic): 9,553 (1920); 10,134 (1930); 8,264 (1940) Periods of population growth: pre-1920–1930 Subdivisions: Four cities; two CDPs; 11 townships; two territories National Register listings: 4 Pre-1940 residences (estimated): 276 (26%) Pre-1940 housing survival rate: 26.5% Farm housing in disrepair (1950): 12.5% Nonfarm housing in disrepair (1950): 7.2% Average farmhouse value (1930): $1,118 Average outbuilding value (1930): $1,164 Average farmhouse size (1940): 4.6 rooms Number of farms (1920): 1,502 Average farm size (1920): 235.7 acres Sources of settlement: Russia, South Dakota, Minnesota, Iowa, Wisconsin, and Illinois _________________________________________________________________________________ Carson Namesake: A reference to Frank Carter and Simon Pederson, local settlers Founding: 1910