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Zip Code 56701 — Thief River Falls, MN

56701 is a ZIP Code associated with Thief River Falls, MN, located within Pennington. The postal region supports an estimated population of 12,705 residents across Data Pending housing units, with a population density of 12.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (48.120210, -96.199400)

Data MetricLocal Statistic
Postal / Zip Code56701
Primary CityThief River Falls
State / ProvinceMN
CountyPennington
Total Population12,705
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density12.8 people/sq mi
TimezoneAmerica/Chicago

How 56701 Compares

MetricZIP 56701Pennington CountyMN State Average
Population12,70514,1375,739,754
Median IncomeData PendingN/AN/A
Population Density12.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 56754Saint Hilaire9.0 mi491N/A
Zip 56760Viking14.1 mi496N/A
Zip 56748Plummer16.4 mi673N/A
Zip 56750Red Lake Falls16.6 mi2,324N/A
Zip 56738Newfolden16.7 mi1,228N/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 →