Sanborn County, South Dakota
Sanborn County is a county in South Dakota. Its county FIPS code is 46111. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 46111
- Representative coordinates
- 44.018942, -98.091709
- County type
- County
- County seat or government
- Woonsocket
- Resident population, July 2025
- 2,388
- Land area
- 1,474.329 km²
- Water area
- 3.132 km²
- State
- South Dakota
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Sanborn County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
57312 · 57314 · 57323 · 57337 · 57350 · 57359 · 57363 · 57385
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Sanborn 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.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
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