Summit Lake, Wisconsin
Introduction Looking north in Summit Lake'''Summit Lake''' is an unincorporated community and census-designated place (CDP) in Langlade County, Wisconsin, United States. Summit Lake is located along U.S. Route 45  north of Antigo, in the towns of Upham and Elcho. Summit Lake has a post office with ZIP code 54485.As of the 2010 census its population was 144.
History A post office called Summit Lake has been in operation since 1882.The community took its name from nearby Summit Lake.
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