Humboldt, MN ZIP code
The ZIP code for Humboldt, Minnesota is 56731. It is in Kittson County.
- Population in these ZIPs
- 137
- Avg. median income
- $75,100population-weighted
- Typical home value
- $148,200population-weighted
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Humboldt, MN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 56731 | 137 | $75,125 | $148,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Humboldt
- Saint Vincent 4 mi
- Hallock 10 mi
- Lancaster 20 mi
- Kennedy 21 mi
- Lake Bronson 24 mi
- Donaldson 25 mi
- Halma 28 mi
- Stephen 31 mi
- Karlstad 36 mi
- Strandquist 39 mi
- Argyle 41 mi
- Greenbush 41 mi
Frequently asked questions
What is the ZIP code for Humboldt, MN?
The ZIP code for Humboldt, MN is 56731.
What county is Humboldt, Minnesota in?
Humboldt ZIP codes are in Kittson County.