Mahnomen County, Minnesota ZIP codes
5 ZIP codes are in Mahnomen County, plus 3 that cross in from neighboring counties.
- ZIP codes
- 5
- Population in these ZIPs
- 6,150
- Avg. median income
- $63,900population-weighted
- Cities & towns
- 5
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Mahnomen County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 56516 | Bejou | 352 | $69,250 | $183,300 |
| 56557 | Mahnomen | 2,758 | $57,731 | $154,000 |
| 56566 | Naytahwaush | 613 | $44,583 | $118,300 |
| 56589 | Waubun | 1,760 | $72,969 | $272,400 |
| 56651 | Lengby | 667 | $80,750 | $222,900 |
ZIP codes partly in Mahnomen County
These ZIP codes are mostly in a neighboring county but cover part of Mahnomen County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 56542 | Fosston | Polk County | 2,486 | $59,706 | $225,600 |
| 56592 | Winger | Polk County | 550 | $59,167 | $197,300 |
| 56621 | Bagley | Clearwater County | 4,336 | $63,721 | $243,600 |
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 and towns in Mahnomen County
Nearby counties
Frequently asked questions
How many ZIP codes are in Mahnomen County, Minnesota?
5 ZIP codes are mainly in Mahnomen County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Mahnomen County?
ZIP codes in Mahnomen County use the city names Bejou, Lengby, Mahnomen, Naytahwaush and Waubun.