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Where am ILOCATED

Aurora County, South Dakota

Aurora County, South Dakota, has 2,801 residents (July 2025 estimate). Its county seat is Plankinton. It uses Central Time and covers 708 sq mi (1,835 km²) of land.

Rapid CityAberdeen
Aurora County in South Dakota
Brule CountyDavison CountyPlankintonWhite LakeStickneyAurora CenterStorla
Aurora County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
2,801
Land area
708 sq mi (1,835 km²)
County seat or government
Plankinton
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$72,885 ± $5,520
Median home value
$151,900 ± $21,223
Median rent, with utilities
$747 ± $83
Homes lived in by their owners
72.7% ± 3.1 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Mitchell, SD micro area
Water area
4.32 sq mi (11.2 km²)
State
South Dakota
County code (FIPS)
46003
Coordinates (central point)
43.724719, -98.577587
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Aurora County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 573692,630 people
  2. 573851,408 people
  3. 573281,290 people
  4. 573821,180 people
  5. 573681,068 people
  6. 57383899 people
  7. 57363866 people
  8. 57359652 people
  9. 57375573 people

9 ZIP Code areas overlap Aurora County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

Aurora County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Aurora County, largest first

  1. Plankinton Township295 people
  2. Aurora Township124 people
  3. Patten Township97 people
  4. White Lake Township96 people
  5. Lake Township83 people
  6. Truro Township68 people
  7. Belford Township64 people
  8. Palatine Township59 people
  9. Gales Township57 people
  10. Washington Township52 people
  11. Dudley Township50 people
  12. Crystal Lake Township43 people
All 20
  1. Center Township40 people
  2. Firesteel Township40 people
  3. Hopper Township39 people
  4. Pleasant Lake Township33 people
  5. Bristol Township22 people
  6. Pleasant Valley Township16 people
  7. Eureka Township8 people
  8. Cooper Township0 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in South Dakota, by county

School districts in Aurora County, largest first

  1. Platte-Geddes School District 11-52,999 people
  2. Corsica-Stickney School District 21-32,080 people
  3. Wessington Springs School District 36-21,496 people
  4. Kimball School District 07-21,258 people
  5. Plankinton School District 01-11,130 people
  6. Mount Vernon School District 17-3909 people
  7. White Lake School District 01-3899 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Plankinton, South Dakota (city)603 people
  2. White Lake, South Dakota (city)469 people
  3. Stickney, South Dakota (town)284 people
  4. Aurora Center, South Dakota (CDP)16 people
  5. Storla, South Dakota (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Davison County, South Dakota21 mi east
  2. Jerauld County, South Dakota24 mi north
  3. Douglas County, South Dakota26 mi southeast
  4. Brule County, South Dakota26 mi west
  5. Sanborn County, South Dakota32 mi northeast
  6. Charles Mix County, South Dakota36 mi south

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.