There are 14 zip codes in Walworth County, Wisconsin. The most populated is 53190, located in Whitewater. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
5319020,500Whitewater
5312118,868Elkhorn
5314717,842Lake Geneva
5311516,098Delavan
5312010,889East Troy
531289,185Genoa City
531844,100Walworth
531913,268Williams Bay
535852,250Sharon
531142,219Darien
531251,738Fontana
53176145Springfield
53195118Zenda
53157Pell Lake
showing: 14 rows

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