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Zip Code 56537 — Fergus Falls, MN

ZIP Code 56537 is associated with Fergus Falls, MN, in Otter Tail County. The listed population estimate is 19,856; estimated density is 27.1 people per square mile. Among records with population estimates, it ranks #1 of 20 in Otter Tail County and #100 of 877 in MN.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (46.276970, -96.089770)

Data MetricLocal Statistic
Postal / Zip Code56537
Primary CityFergus Falls
State / ProvinceMN
CountyOtter Tail
Total Population19,856
Population Density27.1 people/sq mi
TimezoneAmerica/Chicago

How 56537 Compares

MetricZIP 56537Otter Tail County recordsMN records
Population estimate19,85657,281 (sum)5,739,754 (sum)
Population Density27.1 /sq mi----
County population rank#1 of 20----
State population rank#100 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 56533Elizabeth9.3 mi286
ZIP 56324Dalton11.7 mi1,028
ZIP 56543Foxhome11.8 mi222
ZIP 56586Underwood12.3 mi1,873
ZIP 56534Erhard13.4 mi1,201

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 →