Harding County, South Dakota ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
994
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 57720 | Buffalo | 518 |
| 2 | 57651 | Reva | 191 |
| 3 | 57724 | Camp Crook | 167 |
| 4 | 57755 | Ludlow | 101 |
| 5 | 57650 | Ralph | 17 |
Cities in Harding County
ZIP Directory
Browse all ZIP data for South Dakota
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.