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Zip Code 53901 — Portage, WI

ZIP Code 53901 is associated with Portage, WI, in Columbia County. The listed population estimate is 14,291; estimated density is 37.5 people per square mile. Among records with population estimates, it ranks #1 of 13 in Columbia County and #147 of 780 in WI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.556060, -89.486060)

Data MetricLocal Statistic
Postal / Zip Code53901
Primary CityPortage
State / ProvinceWI
CountyColumbia
Total Population14,291
Population Density37.5 people/sq mi
TimezoneAmerica/Chicago

How 53901 Compares

MetricZIP 53901Columbia County recordsWI records
Population estimate14,29158,583 (sum)5,914,913 (sum)
Population Density37.5 /sq mi----
County population rank#1 of 13----
State population rank#147 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 53954Pardeeville8.7 mi6,678
ZIP 53930Endeavor8.8 mi1,192
ZIP 53920Briggsville9.6 mi599
ZIP 53969Wyocena10.1 mi329
ZIP 53955Poynette11.6 mi6,125

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 →