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Zip Code 56571 — Ottertail, MN

56571 is a ZIP Code associated with Ottertail, MN, located within Otter Tail. The postal region supports an estimated population of 1,745 residents across Data Pending housing units, with a population density of 14.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.438560, -95.539390)

Data Metric	Local Statistic
Postal / Zip Code	56571
Primary City	Ottertail
State / Province	MN
County	Otter Tail
Total Population	1,745
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	14.5 people/sq mi
Timezone	America/Chicago

How 56571 Compares

Metric	ZIP 56571	Otter Tail County	MN State Average
Population	1,745	57,281	5,739,754
Median Income	Data Pending	N/A	N/A
Population Density	14.5 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 56576	Richville	8.2 mi	820	N/A
Zip 56551	Henning	9.3 mi	2,387	N/A
Zip 56567	New York Mills	11.2 mi	3,367	N/A
Zip 56527	Deer Creek	11.5 mi	881	N/A
Zip 56573	Perham	12.2 mi	7,221	N/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 →