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/SUMMIT

Summit ZIP codes, Wisconsin

No ZIP code is named for Summit, WI; addresses there use a neighbouring town's name. 3 ZIP codes cover it: 53066, 53018 and 53118. Its area code is 262.

USPS city name
0 ZIP codes
Overlapping the city
3 more
Population
5,114
Area code
262

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

Summit in numbers

About 5,114 people live in Summit, in 1,940 households. The median household income is $140,682 a year, 82% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $533,300 (2.0 times the Wisconsin median), and median gross rent is $1,615 a month. The median age is 50.4; 54.3% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 26 minutes.

Population5,114Summit5,114
Households1,940Summit1,940
Median age50.4Summit50.4Wisconsin40.2US 38.9
Median household income$140,682Summit$140,682Wisconsin$77,485US $80,734
Median home value$533,300Summit$533,300Wisconsin$266,500US $332,700
Median gross rent$1,615Summit$1,615Wisconsin$1,087US $1,413
Bachelor's degree or higher54.3%Summit54.3%Wisconsin33.4%US 35.7%
Mean commute26.2 minSummit26.2 minWisconsin22.2 minUS 26.4 min
Population density248 / sq miSummit248 / sq mi

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

ZIP codes covering Summit

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

ZIP codes overlapping Summit
ZIP City Type Population Median income Median home
53018 Delafield , WI Standard 8,201 $124,595 $521,400
53066 Oconomowoc , WI Standard 37,558 $113,114 $427,900
53118 Dousman , WI Standard 7,554 $108,772 $372,600

Map of Summit ZIP codes

530185306653118

The ZIP codes of Summit, 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 Summit

The nearest larger towns are Oconomowoc (19,080 people, 3.9 mi), Delafield (7,202 people, 4.7 mi) and Hartland (9,972 people, 8.1 mi).

Towns near Summit
TownPopulationDistance
Oconomowoc 19,080 3.9 mi
Delafield 7,202 4.7 mi
Okauchee Lake 4,733 5.8 mi
Wales 2,902 6.1 mi
Hartland 9,972 8.1 mi
Ixonia 2,684 8.7 mi
Merton 3,550 10.7 mi
Pewaukee 8,196 11.5 mi
Pewaukee 16,211 11.8 mi
Waukesha 71,233 12.0 mi
Sussex 12,066 14.1 mi
Johnson Creek 3,362 15.0 mi
Mukwonago 8,415 15.5 mi
Watertown 22,774 16.1 mi

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

Cite this page

zipcodes.pro. “Summit, WI ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wi/summit

Underlying data is public domain or openly licensed — sources, vintages and licences.