McCook County, South Dakota ZIP Codes
- ZIP records
6 - Cities represented
6 - Sum of listed ZIP population estimates
5,828
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 | 57058 | Salem | 1,881 |
| 2 | 57048 | Montrose | 1,237 |
| 3 | 57012 | Canistota | 1,168 |
| 4 | 57319 | Bridgewater | 881 |
| 5 | 57047 | Monroe | 389 |
| 6 | 57374 | Spencer | 272 |
Cities in McCook 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.