Genoa City, WI is a city located in Walworth County, Wisconsin and has a land area of 25.32 square miles (65.58 km2). The water area for the city is 1.29 square miles or 3.34 km2. There is one unique zip code in Genoa City, Wisconsin and it is 53128. The area code(s) for Genoa City is 262.
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