ZIP Code 54485
About 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, 17 miles (27 km) north of Antigo, in the towns of Upham and Elcho. Summit Lake has a post office with ZIP code 54485. As of the 2020 census its population was 141, a slight decrease of 144 at the 2010 census.
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Area Profile
US Census (ACS 5-year · Gazetteer)
432
population
$72,292
median household income
19
people / sq mi
$227,500
median home value
62.0
median age
457
housing units
197
households
22.4
land area (sq mi)