Saint Germain, WI is a city located in Vilas County, Wisconsin and has a land area of 43.19 square miles (111.86 km2). The water area for the city is 8.17 square miles or 21.16 km2. There is one unique zip code in Saint Germain, Wisconsin and it is 54558. The area code(s) for Saint Germain is 715.
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