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Zip Code 56557 — Mahnomen, MN

56557 is a ZIP Code associated with Mahnomen, MN, located within Mahnomen. The postal region supports an estimated population of 2,758 residents across Data Pending housing units, with a population density of 4.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (47.324220, -95.837000)

Data MetricLocal Statistic
Postal / Zip Code56557
Primary CityMahnomen
State / ProvinceMN
CountyMahnomen
Total Population2,758
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density4.5 people/sq mi
TimezoneAmerica/Chicago

How 56557 Compares

MetricZIP 56557Mahnomen CountyMN State Average
Population2,7586,1505,739,754
Median IncomeData PendingN/AN/A
Population Density4.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 56516Bejou10.2 mi352N/A
Zip 56589Waubun11.4 mi1,760N/A
Zip 56566Naytahwaush11.8 mi613N/A
Zip 56651Lengby13.0 mi667N/A
Zip 56591White Earth15.5 mi429N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →