Zip Code 54901 — Oshkosh, WI

ZIP Code 54901 is associated with Oshkosh, WI, in Winnebago County. The listed population estimate is 37,294; estimated density is 865.4 people per square mile. Among records with population estimates, it ranks #2 of 12 in Winnebago County and #25 of 780 in WI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (44.062650, -88.533350)

Data MetricLocal Statistic
Postal / Zip Code54901
Primary CityOshkosh
State / ProvinceWI
CountyWinnebago
Total Population37,294
Population Density865.4 people/sq mi
TimezoneAmerica/Chicago

How 54901 Compares

MetricZIP 54901Winnebago County recordsWI records
Population estimate37,294149,879 (sum)5,914,913 (sum)
Population Density865.4 /sq mi----
County population rank#2 of 12----
State population rank#25 of 780----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in WI

ZIP CodeCityDistancePopulation estimate
ZIP 54985Winnebago1.1 mi249
ZIP 54904Oshkosh5.3 mi22,273
ZIP 54927Butte Des Morts6.6 mi540
ZIP 54902Oshkosh7.8 mi22,243
ZIP 54956Neenah8.4 mi46,567

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 →