Gregory County, South Dakota ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
3,849
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 | 57533 | Gregory | 1,674 |
| 2 | 57523 | Burke | 1,041 |
| 3 | 57317 | Bonesteel | 573 |
| 4 | 57335 | Fairfax | 303 |
| 5 | 57538 | Herrick | 236 |
| 6 | 57571 | Saint Charles | 22 |
Cities in Gregory 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.