Polk County, Minnesota ZIP Codes
- ZIP records
16 - Cities represented
16 - Sum of listed ZIP population estimates
32,786
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 | 56721 | East Grand Forks | 10,679 |
| 2 | 56716 | Crookston | 8,903 |
| 3 | 56542 | Fosston | 2,486 |
| 4 | 56762 | Warren | 2,433 |
| 5 | 56540 | Fertile | 1,891 |
| 6 | 56556 | Mcintosh | 1,312 |
| 7 | 56535 | Erskine | 1,307 |
| 8 | 56723 | Fisher | 838 |
| 9 | 56736 | Mentor | 687 |
| 10 | 56592 | Winger | 550 |
Cities in Polk County
- Beltrami
- Climax
- Crookston
- East Grand Forks
- Erskine
- Euclid
- Fertile
- Fisher
- Fosston
- Gully
- Mcintosh
- Mentor
- Nielsville
- Trail
- Warren
- Winger
ZIP Directory
- ZIP 56517
- ZIP 56523
- ZIP 56535
- ZIP 56540
- ZIP 56542
- ZIP 56556
- ZIP 56568
- ZIP 56592
- ZIP 56646
- ZIP 56684
- ZIP 56716
- ZIP 56721
- ZIP 56722
- ZIP 56723
- ZIP 56736
- ZIP 56762
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.