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Zip Code 54521 — Eagle River, WI

54521 is a ZIP Code associated with Eagle River, WI, located within Vilas. The postal region supports an estimated population of 8,551 residents across Data Pending housing units, with a population density of 17.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.916200, -89.254510)

Data MetricLocal Statistic
Postal / Zip Code54521
Primary CityEagle River
State / ProvinceWI
CountyVilas
Total Population8,551
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density17.5 people/sq mi
TimezoneAmerica/Chicago

How 54521 Compares

MetricZIP 54521Vilas CountyWI State Average
Population8,55126,1865,914,913
Median IncomeData PendingN/AN/A
Population Density17.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 54519Conover9.5 mi1,309N/A
Zip 54562Three Lakes11.1 mi2,038N/A
Zip 54558Saint Germain11.7 mi2,262N/A
Zip 54554Phelps13.3 mi1,148N/A
Zip 54561Star Lake14.7 mi55N/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 →