Grant County, South Dakota ZIP Codes
- ZIP records
10 - Cities represented
10 - Sum of listed ZIP population estimates
8,747
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 | 57252 | Milbank | 4,883 |
| 2 | 57216 | Big Stone City | 1,584 |
| 3 | 57266 | Summit | 626 |
| 4 | 57259 | Revillo | 477 |
| 5 | 57256 | Ortley | 238 |
| 6 | 57251 | Marvin | 228 |
| 7 | 57265 | Strandburg | 202 |
| 8 | 57264 | Stockholm | 191 |
| 9 | 57269 | Twin Brooks | 186 |
| 10 | 57246 | Labolt | 132 |
Cities in Grant 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.