Fosston, MN ZIP code
The ZIP code for Fosston, Minnesota is 56542. It is in Polk County.
- Population in these ZIPs
- 2,486
- Avg. median income
- $59,700population-weighted
- Typical home value
- $225,600population-weighted
- Metro area
- Grand Forks, ND-MN
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Fosston, MN ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 56542 | 2,486 | $59,706 | $225,600 |
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 Fosston
Frequently asked questions
What is the ZIP code for Fosston, MN?
The ZIP code for Fosston, MN is 56542.
What county is Fosston, Minnesota in?
Fosston ZIP codes are in Polk County.