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Zip Code 53931 — Fairwater, WI

53931 is a ZIP Code associated with Fairwater, WI, located within Fond du Lac. 53931 ranks #15 out of 15 ZIP codes in Fond du Lac County by population (and #715 out of 783 in WI). The area supports an estimated population of 350 residents across Data Pending housing units, with a population density of 183.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (43.742360, -88.867980)

Data MetricLocal Statistic
Postal / Zip Code53931
Primary CityFairwater
State / ProvinceWI
CountyFond du Lac
Total Population350
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density183.9 people/sq mi
TimezoneAmerica/Chicago

How 53931 Compares

MetricZIP 53931Fond du Lac CountyWI State Average
Population350112,742 (Total)5,914,913 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density183.9 /sq mi----
County Pop Rank#15 of 15----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 53919Brandon4.6 mi2,292N/A
Zip 53946Markesan7.9 mi4,333N/A
Zip 54971Ripon8.0 mi10,907N/A
Zip 54941Green Lake9.7 mi2,563N/A
Zip 53963Waupun9.9 mi13,952N/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 →