Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WI/LAKE-WISCONSIN

Lake Wisconsin ZIP codes, Wisconsin

No ZIP code is named for Lake Wisconsin, WI; addresses there use a neighbouring town's name. 5 ZIP codes cover it: 53901, 53555, 53578, 53955 and 53561. Its area code is 608.

USPS city name
0 ZIP codes
Overlapping the city
5 more
Population
5,384
Area code
608

NANPA lists no telephone rate centre for Lake Wisconsin itself, so these are the area codes of the nearest one, Portage (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Lake Wisconsin in numbers

About 5,384 people live in Lake Wisconsin, in 2,419 households. The median household income is $124,127 a year, 60% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $452,400 (70% above the Wisconsin median), and median gross rent is $1,515 a month. The median age is 51.3; 42.6% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 32 minutes.

Population5,384Lake Wisconsin5,384
Households2,419Lake Wisconsin2,419
Median age51.3Lake Wisconsin51.3Wisconsin40.2US 38.9
Median household income$124,127Lake Wisconsin$124,127Wisconsin$77,485US $80,734
Median home value$452,400Lake Wisconsin$452,400Wisconsin$266,500US $332,700
Median gross rent$1,515Lake Wisconsin$1,515Wisconsin$1,087US $1,413
Bachelor's degree or higher42.6%Lake Wisconsin42.6%Wisconsin33.4%US 35.7%
Mean commute32.2 minLake Wisconsin32.2 minWisconsin22.2 minUS 26.4 min
Population density402 / sq miLake Wisconsin402 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Lake Wisconsin CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Lake Wisconsin

These ZIP codes cover part of Lake Wisconsin but are addressed as somewhere else.

ZIP codes overlapping Lake Wisconsin
ZIP City Type Population Median income Median home
53555 Lodi , WI Standard 8,933 $119,305 $392,200
53561 Merrimac , WI Standard 1,872 $91,103 $427,600
53578 Prairie Du Sac , WI Standard 6,503 $105,610 $347,000
53901 Portage , WI Standard 14,291 $74,092 $227,700
53955 Poynette , WI Standard 6,125 $101,134 $332,000

Map of Lake Wisconsin ZIP codes

5355553561535785390153955

The ZIP codes of Lake Wisconsin, WI, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Lake Wisconsin

The nearest larger towns are Baraboo (12,769 people, 10 mi), Portage (10,236 people, 14 mi) and Waunakee (15,687 people, 15 mi).

Towns near Lake Wisconsin
TownPopulationDistance
Lodi 3,204 4.4 mi
Prairie du Sac 4,382 8.5 mi
Sauk City 3,483 9.3 mi
Poynette 2,678 9.8 mi
Baraboo 12,769 10.1 mi
Portage 10,236 14.3 mi
Waunakee 15,687 14.7 mi
DeForest 11,501 15.8 mi
Cross Plains 4,107 17.4 mi
Windsor 9,452 17.8 mi
Lake Delton 3,482 18.3 mi
Middleton 22,301 18.4 mi
Madison 278,001 20.9 mi
Wisconsin Dells 2,547 20.9 mi

More nearby: every ZIP code in Columbia County · Wisconsin ZIP codes

Cite this page

zipcodes.pro. “Lake Wisconsin, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/lake-wisconsin

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