Aitkin County, Minnesota ZIP Codes
- ZIP records
9 - Cities represented
9 - Sum of listed ZIP population estimates
19,144
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 | 56431 | Aitkin | 9,312 |
| 2 | 55760 | Mcgregor | 2,894 |
| 3 | 56342 | Isle | 2,788 |
| 4 | 55748 | Hill City | 1,374 |
| 5 | 56469 | Palisade | 967 |
| 6 | 55787 | Tamarack | 621 |
| 7 | 56350 | McGrath | 471 |
| 8 | 55752 | Jacobson | 446 |
| 9 | 55785 | Swatara | 271 |
Cities in Aitkin County
ZIP Directory
Browse all ZIP data for Minnesota
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.