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Zip Code 54940 — Fremont, WI

54940 is a ZIP Code associated with Fremont, WI, located within Winnebago. The postal region supports an estimated population of 4,533 residents across Data Pending housing units, with a population density of 19.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.226960, -88.844460)

Data MetricLocal Statistic
Postal / Zip Code54940
Primary CityFremont
State / ProvinceWI
CountyWinnebago
Total Population4,533
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density19.3 people/sq mi
TimezoneAmerica/Chicago

How 54940 Compares

MetricZIP 54940Winnebago CountyWI State Average
Population4,533149,8795,914,913
Median IncomeData PendingN/AN/A
Population Density19.3 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 54983Weyauwega7.7 mi4,144N/A
Zip 54947Larsen7.9 mi2,323N/A
Zip 54986Winneconne8.7 mi5,394N/A
Zip 54931Dale9.2 mi364N/A
Zip 54967Poy Sippi9.7 mi497N/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 →