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/KEWASKUM

Kewaskum ZIP code, Wisconsin

The ZIP code for Kewaskum, WI is 53040, and its area code is 262.

USPS city name
1 ZIP code
Population
4,461
Area code
262

Kewaskum in numbers

About 4,461 people live in Kewaskum, in 1,805 households. The median household income is $94,141 a year, 21% above the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $288,800 (8% above the Wisconsin median), and median gross rent is $1,018 a month. The median age is 38.8; 20.7% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 28 minutes.

Population4,461Kewaskum4,461
Households1,805Kewaskum1,805
Median age38.8Kewaskum38.8Wisconsin40.2US 38.9
Median household income$94,141Kewaskum$94,141Wisconsin$77,485US $80,734
Median home value$288,800Kewaskum$288,800Wisconsin$266,500US $332,700
Median gross rent$1,018Kewaskum$1,018Wisconsin$1,087US $1,413
Bachelor's degree or higher20.7%Kewaskum20.7%Wisconsin33.4%US 35.7%
Mean commute28.4 minKewaskum28.4 minWisconsin22.2 minUS 26.4 min
Population density1,797 / sq miKewaskum1,797 / sq mi

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

ZIP codes addressed as Kewaskum

ZIP codes with the USPS city name Kewaskum
ZIP City Type Population Median income Median home
53040 Kewaskum , WI Standard 8,630 $96,096 $326,100

Map of Kewaskum ZIP codes

53040

The ZIP codes of Kewaskum, 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 Kewaskum

The nearest larger towns are West Bend (32,030 people, 7.4 mi), Slinger (6,307 people, 13 mi) and Jackson (8,003 people, 14 mi).

Towns near Kewaskum
TownPopulationDistance
West Bend 32,030 7.4 mi
Lomira 2,675 11.8 mi
Slinger 6,307 12.8 mi
Jackson 8,003 14.1 mi
Hartford 15,821 15.4 mi
Mayville 5,228 15.9 mi
Saukville 4,267 17.0 mi
Richfield 11,755 19.3 mi
Cedarburg 12,605 19.4 mi
Port Washington 12,645 19.7 mi
Grafton 12,445 19.7 mi
Germantown 20,962 20.3 mi
Fond du Lac 44,494 20.4 mi
Plymouth 8,890 20.6 mi

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

Cite this page

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

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