Aurora County, South Dakota

Aurora County
Aurora County courthouse in Plankinton
Aurora County courthouse in Plankinton
Map of South Dakota highlighting Aurora County
Location within the U.S. state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location within the U.S.
Coordinates: 43°43′N 98°34′W / 43.72°N 98.57°W / 43.72; -98.57
Country United States
State South Dakota
Founded1879 (created)
1881 (organized)
Named forAurora, a Roman goddess
SeatPlankinton
Largest cityPlankinton
Area
 • Total713 sq mi (1,850 km2)
 • Land708 sq mi (1,830 km2)
 • Water4.3 sq mi (11 km2)  0.6%
Population
 (2020)
 • Total2,747
 • Estimate 
(2023)
2,782 Increase
 • Density3.9/sq mi (1.5/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional districtAt-large

Aurora County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 2,747.[1] The county was created in 1879, and was organized in 1881.[2]

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved March 22, 2024.
  2. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Archived from the original on April 2, 2018. Retrieved March 28, 2015.