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Lake Delton, WI ZIP code

The ZIP code for Lake Delton, Wisconsin is 53940. It is in Sauk County.

Population in these ZIPs
0
Avg. median income
—population-weighted
Typical home value
—population-weighted
Metro area
Baraboo, WI
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ZIP codes within 10 miles

Lake Delton, WI ZIP code list

Lake Delton, WI ZIP codes
ZIP codePopulationMedian incomeTypical home value
539400——

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 Lake Delton

Frequently asked questions

What is the ZIP code for Lake Delton, WI?

The ZIP code for Lake Delton, WI is 53940.

What county is Lake Delton, Wisconsin in?

Lake Delton ZIP codes are in Sauk County.