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/ELKHORN

Elkhorn ZIP code, Wisconsin

The ZIP code for Elkhorn, WI is 53121, and its area code is 262.

USPS city name
1 ZIP code
Population
10,221
Area code
262

Elkhorn in numbers

About 10,221 people live in Elkhorn, in 4,207 households. The median household income is $77,649 a year, about the same as the Wisconsin median of $77,485 (US: $80,734). The median owner-occupied home is valued at $273,600 (about the same as the Wisconsin median), and median gross rent is $1,034 a month. The median age is 37.6; 30.1% of adults 25 and over hold a bachelor's degree or higher (33.4% across Wisconsin); the average commute takes 21 minutes.

Population10,221Elkhorn10,221
Households4,207Elkhorn4,207
Median age37.6Elkhorn37.6Wisconsin40.2US 38.9
Median household income$77,649Elkhorn$77,649Wisconsin$77,485US $80,734
Median home value$273,600Elkhorn$273,600Wisconsin$266,500US $332,700
Median gross rent$1,034Elkhorn$1,034Wisconsin$1,087US $1,413
Bachelor's degree or higher30.1%Elkhorn30.1%Wisconsin33.4%US 35.7%
Mean commute21.1 minElkhorn21.1 minWisconsin22.2 minUS 26.4 min
Population density1,252 / sq miElkhorn1,252 / sq mi

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

ZIP codes addressed as Elkhorn

ZIP codes with the USPS city name Elkhorn
ZIP City Type Population Median income Median home
53121 Elkhorn , WI Standard 18,551 $85,643 $313,500

Map of Elkhorn ZIP codes

The ZIP codes of Elkhorn, 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 Elkhorn

The nearest larger towns are Burlington (10,987 people, 13 mi), Whitewater (15,807 people, 15 mi) and Salem Lakes (14,366 people, 23 mi).

Towns near Elkhorn
TownPopulationDistance
Delavan 8,689 5.5 mi
Williams Bay 2,981 6.4 mi
Delavan Lake 2,757 6.7 mi
Lake Geneva 8,521 8.2 mi
Walworth 2,759 10.2 mi
East Troy 4,978 10.6 mi
Bloomfield 4,780 12.6 mi
Burlington 10,987 13.4 mi
Rochester 3,764 15.1 mi
Whitewater 15,807 15.2 mi
Genoa City 2,942 15.9 mi
Mukwonago 8,415 16.6 mi
Harvard, IL 9,598 17.3 mi
Waterford 5,692 17.5 mi

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

Cite this page

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

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