County · South Dakota · United States
Buffalo County ZIP codes
2 ZIP codes · 2 cities · FIPS 46017
Key facts
- State
- South Dakota (SD)
- FIPS code
- 46017
- Population
- 1,757
- Median household income
- $47,000
- Median age
- 26.2
- Land area
- 471.4 sq mi (1,220.9 km²)
- Population density
- 4 / sq mi
- Area codes
- 605
Cities and ZIP codes in Buffalo County (2)
| City | ZIP codes |
|---|---|
| Fort Thompson | 57339 |
| Gann Valley | 57341 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.