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Zip Code 56737 — Middle River, MN

56737 is a ZIP Code associated with Middle River, MN, located within Marshall. The postal region supports an estimated population of 811 residents across Data Pending housing units, with a population density of 1.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.411440, -96.010810)

Data MetricLocal Statistic
Postal / Zip Code56737
Primary CityMiddle River
State / ProvinceMN
CountyMarshall
Total Population811
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.3 people/sq mi
TimezoneAmerica/Chicago

How 56737 Compares

MetricZIP 56737Marshall CountyMN State Average
Population8115,7245,739,754
Median IncomeData PendingN/AN/A
Population Density1.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 56759Strathcona10.2 mi421N/A
Zip 56724Gatzke12.9 mi112N/A
Zip 56738Newfolden15.6 mi1,228N/A
Zip 56761Wannaska19.8 mi458N/A
Zip 56701Thief River Falls21.9 mi12,705N/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 →