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Zip Code 56651 — Lengby, MN

ZIP Code 56651 is associated with Lengby, MN, in Mahnomen County. The listed population estimate is 667; estimated density is 3.6 people per square mile. Among records with population estimates, it ranks #3 of 5 in Mahnomen County and #652 of 877 in MN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (47.438830, -95.617200)

Data MetricLocal Statistic
Postal / Zip Code56651
Primary CityLengby
State / ProvinceMN
CountyMahnomen
Total Population667
Population Density3.6 people/sq mi
TimezoneAmerica/Chicago

How 56651 Compares

MetricZIP 56651Mahnomen County recordsMN records
Population estimate6676,150 (sum)5,739,754 (sum)
Population Density3.6 /sq mi----
County population rank#3 of 5----
State population rank#652 of 877----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MN

ZIP CodeCityDistancePopulation estimate
ZIP 56621Bagley9.6 mi4,336
ZIP 56542Fosston10.1 mi2,486
ZIP 56557Mahnomen13.0 mi2,758
ZIP 56566Naytahwaush13.2 mi613
ZIP 56516Bejou16.3 mi352

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 →