Zip Code 54603 — La Crosse, WI

ZIP Code 54603 is associated with La Crosse, WI, in La Crosse County. The listed population estimate is 13,738; estimated density is 598.9 people per square mile. Among records with population estimates, it ranks #4 of 9 in La Crosse County and #150 of 780 in WI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (43.857290, -91.247910)

Data MetricLocal Statistic
Postal / Zip Code54603
Primary CityLa Crosse
State / ProvinceWI
CountyLa Crosse
Total Population13,738
Population Density598.9 people/sq mi
TimezoneAmerica/Chicago

How 54603 Compares

MetricZIP 54603La Crosse County recordsWI records
Population estimate13,738121,669 (sum)5,914,913 (sum)
Population Density598.9 /sq mi----
County population rank#4 of 9----
State population rank#150 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 54650Onalaska3.8 mi25,304
ZIP 54601La Crosse6.4 mi50,397
ZIP 54669West Salem8.7 mi8,228
ZIP 54636Holmen10.4 mi16,727
ZIP 54658Stoddard12.7 mi2,326

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 →