Humboldt, MN zip code
Humboldt, Minnesota uses one zip code: 56731. Most of it is in Kittson County. Together these zip codes are home to about 137 people.
Zip codes
1
Population
137
All zips combined
Largest zip
56731
137 residents
Zip codes in Humboldt
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 56731 | 137 | $75,125 |