Harding County, South Dakota ZIP codes
6 ZIP codes are in Harding County, plus 6 that cross in from neighboring counties.
- ZIP codes
- 6
- Population in these ZIPs
- 994
- Avg. median income
- $77,900population-weighted
- Cities & towns
- 6
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Harding County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 57650 | Ralph | 17 | — | — |
| 57651 | Reva | 191 | $94,559 | $212,500 |
| 57720 | Buffalo | 518 | $79,091 | $189,000 |
| 57724 | Camp Crook | 167 | $61,146 | — |
| 57755 | Ludlow | 101 | $68,125 | $164,100 |
| 57776 | Redig | 0 | — | — |
ZIP codes partly in Harding County
These ZIP codes are mostly in a neighboring county but cover part of Harding County.
| ZIP code | City | State | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|---|
| 57649 | Prairie City | SD | Perkins County | 273 | $84,500 | — |
| 57717 | Belle Fourche | SD | Butte County | 8,983 | $77,689 | $358,000 |
| 57760 | Newell | SD | Butte County | 966 | $65,054 | $161,900 |
| 58623 | Bowman | ND | Bowman County | 1,953 | $64,487 | $207,500 |
| 58649 | Reeder | ND | Adams County | 354 | $68,839 | $72,500 |
| 58653 | Scranton | ND | Bowman County | 700 | $85,714 | $163,500 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Harding County
Nearby counties
Frequently asked questions
How many ZIP codes are in Harding County, South Dakota?
6 ZIP codes are mainly in Harding County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Harding County?
ZIP codes in Harding County use the city names Buffalo, Camp Crook, Ludlow, Ralph, Redig and Reva.