Skip to content

Summit Lake, WI ZIP code

The ZIP code for Summit Lake, Wisconsin is 54485. It is in Langlade County.

Population in these ZIPs
395
Avg. median income
$83,400population-weighted
Typical home value
$251,900population-weighted
Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 miles

Summit Lake, WI ZIP code list

Summit Lake, WI ZIP codes
ZIP codePopulationMedian incomeTypical home value
54485395$83,438$251,900

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Summit Lake

Frequently asked questions

What is the ZIP code for Summit Lake, WI?

The ZIP code for Summit Lake, WI is 54485.

What county is Summit Lake, Wisconsin in?

Summit Lake ZIP codes are in Langlade County.