There are 11 zip codes in St. Croix County, Wisconsin. The most populated is 54016, located in Hudson. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
5401633,465Hudson
5401719,652New Richmond
540257,200Somerset
540026,791Baldwin
540234,715Roberts
540153,863Hammond
540133,428Glenwood City
540282,675Woodville
540821,805Houlton
540271,107Wilson
540071,042Deer Park

Zip Codes in St. Croix County, Wisconsin by Population (2024)