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
City
Population
53190Whitewater20,500
53121Elkhorn18,868
53147Lake Geneva17,842
53115Delavan16,098
53120East Troy10,889
53128Genoa City9,185
53184Walworth4,100
53191Williams Bay3,268
53585Sharon2,250
53114Darien2,219
53125Fontana1,738
53176Springfield145
53195Zenda118
53157Pell Lake0

Walworth County, Wisconsin Zip Codes by Population (2024)