Oliver County, North Dakota
Founding: 1885 Parent county: Mercer Namesake: Harry Oliver, North Dakota politician Seat: Sanger (1885–1902); Center (1902–) Land area: 723 square miles Population (2020): 1,877 Population (historic): 464 (1890); 3,577 (1910); 4,262 (1930) Periods of population growth: 1880–1920 Subdivisions: One city; two territories Pre-1940 residences (estimated): 138 (13.8%) Pre-1940 housing survival rate: 27.1% Farm housing in disrepair (1950): 10.1% Nonfarm housing in disrepair (1950): 5.6% Average farmhouse value (1930): $1,102 Average outbuilding value (1930): $1,294 Average farmhouse size (1940): 4.7 rooms Number of farms (1920): 766 Average farm size (1920): 241.7 acres Sources of settlement: Minnesota, Russia, Germany, and Iowa _________________________________________________________________________________ Center Namesake: The city's loca...