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Zip Code 56031 — Fairmont, MN

56031 is a ZIP Code associated with Fairmont, MN, located within Martin. The postal region supports an estimated population of 11,665 residents across Data Pending housing units, with a population density of 28.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.622460, -94.467570)

Data MetricLocal Statistic
Postal / Zip Code56031
Primary CityFairmont
State / ProvinceMN
CountyMartin
Total Population11,665
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density28.8 people/sq mi
TimezoneAmerica/Chicago

How 56031 Compares

MetricZIP 56031Martin CountyMN State Average
Population11,66520,1935,739,754
Median IncomeData PendingN/AN/A
Population Density28.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 56039Granada7.7 mi880N/A
Zip 56075Northrop7.9 mi176N/A
Zip 56181Welcome8.4 mi1,280N/A
Zip 56121Ceylon9.2 mi590N/A
Zip 56088Truman14.1 mi2,071N/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 →