Nicollet County, Minnesota ZIP Codes
- ZIP records
5 - Cities represented
5 - Sum of listed ZIP population estimates
33,670
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 | 56003 | Mankato | 15,258 |
| 2 | 56082 | Saint Peter | 14,606 |
| 3 | 56074 | Nicollet | 1,845 |
| 4 | 56021 | Courtland | 1,108 |
| 5 | 56054 | Lafayette | 853 |
Cities in Nicollet County
ZIP Directory
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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.