Custer County, South Dakota ZIP Codes
- ZIP records
4 - Cities represented
4 - Sum of listed ZIP population estimates
8,579
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 | 57730 | Custer | 5,596 |
| 2 | 57744 | Hermosa | 2,421 |
| 3 | 57738 | Fairburn | 356 |
| 4 | 57773 | Pringle | 206 |
Cities in Custer 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.