There are 4 zip codes in Kewaunee County, Wisconsin. The most populated is 54217, located in Luxemburg. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
542177,636Luxemburg
542166,106Kewaunee
542015,290Algoma
542052,184Casco

Zip Codes in Kewaunee County, Wisconsin by Population (2024)