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Zip Code 54840 — Grantsburg, WI

54840 is a ZIP Code associated with Grantsburg, WI, located within Burnett. The postal region supports an estimated population of 4,775 residents across Data Pending housing units, with a population density of 7.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (45.755600, -92.689280)

Data MetricLocal Statistic
Postal / Zip Code54840
Primary CityGrantsburg
State / ProvinceWI
CountyBurnett
Total Population4,775
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density7.2 people/sq mi
TimezoneAmerica/Chicago

How 54840 Compares

MetricZIP 54840Burnett CountyWI State Average
Population4,77515,8585,914,913
Median IncomeData PendingN/AN/A
Population Density7.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 54006Cushing11.6 mi852N/A
Zip 54872Siren14.2 mi2,569N/A
Zip 54837Frederic17.0 mi3,803N/A
Zip 54853Luck17.1 mi3,506N/A
Zip 54024Saint Croix Falls17.9 mi5,035N/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 →