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Zip Code 55804 — Duluth, MN

55804 is a ZIP Code associated with Duluth, MN, located within St. Louis. The postal region supports an estimated population of 15,922 residents across Data Pending housing units, with a population density of 65.4 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.938100, -91.930890)

Data MetricLocal Statistic
Postal / Zip Code55804
Primary CityDuluth
State / ProvinceMN
CountySt. Louis
Total Population15,922
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density65.4 people/sq mi
TimezoneAmerica/Chicago

How 55804 Compares

MetricZIP 55804St. Louis CountyMN State Average
Population15,922192,5525,739,754
Median IncomeData PendingN/AN/A
Population Density65.4 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 55609Knife River7.1 mi131N/A
Zip 55803Duluth9.4 mi17,662N/A
Zip 55812Duluth11.1 mi10,859N/A
Zip 55805Duluth12.3 mi10,602N/A
Zip 55814Duluth14.4 mi319N/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 →