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Zip Code 54856 — Mason, WI

54856 is a ZIP Code associated with Mason, WI, located within Bayfield. The postal region supports an estimated population of 1,628 residents across Data Pending housing units, with a population density of 3.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (46.434010, -91.102790)

Data MetricLocal Statistic
Postal / Zip Code54856
Primary CityMason
State / ProvinceWI
CountyBayfield
Total Population1,628
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density3.0 people/sq mi
TimezoneAmerica/Chicago

How 54856 Compares

MetricZIP 54856Bayfield CountyWI State Average
Population1,62813,7745,914,913
Median IncomeData PendingN/AN/A
Population Density3.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 54839Grand View5.7 mi342N/A
Zip 54855Marengo13.0 mi924N/A
Zip 54832Drummond13.2 mi453N/A
Zip 54806Ashland14.3 mi11,704N/A
Zip 54821Cable14.8 mi1,625N/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 →