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zipcodes.pro — ZIP/53121

53121

ZIP 53121 is Elkhorn, Wisconsin, in Walworth County; area code 262; Central time.

Type
Standard
Time zone
America/Chicago
County
Walworth
Population
18,551
Coordinates
42.7197, -88.5343
☼ Live from 53121 — Elkhorn, WI

Weather right now

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Local time: —

Where 53121 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 53121
  • 🔢 Type 53121 into a pocket calculator and turn it upside down: IZIES — not quite a word, sorry.
  • ➕ As a number, 53,121 = 3 × 17707. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100111110000001
  • 🏠 Its numerical neighbours: 53120 (East Troy, WI, 8 mi away) and 53122 (Elm Grove, WI, 32 mi away).
  • 🔄 Backwards, 53121 becomes 12135, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (11235, 11352, 12153, 12513, 12531, 13152, …). The farthest-flung twin is 32115 in Daytona Beach, FL, 1,022 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther west than 52%.
  • 🎯558 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53121 and you would come out at 42.72°S, 91.47°E — 1,112 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
  • 📏 At 114.4 square miles of land, 53121 is bigger than 81% of ZIP codes — room for about 87 Central Parks.
🌙 The sky over 53121 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population18,551This ZIP18,551
Households7,667This ZIP7,667
Housing units8,460This ZIP8,460
Median age43.2This ZIP43.2Wisconsin40.2US 38.9
Median household income$85,643This ZIP$85,643Wisconsin$77,485US $80,734
Median home value$313,500This ZIP$313,500Wisconsin$266,500US $332,700
Median gross rent$1,054This ZIP$1,054Wisconsin$1,087US $1,413
Bachelor's degree or higher32.6%This ZIP32.6%
Mean commute24.2 minThis ZIP24.2 min
Population density162.2 / sq miThis ZIP162.2 / sq mi

Business and tax activity

Business establishments561This ZIP561
Employees7,369This ZIP7,369
Annual payroll$333,533,000This ZIP$333,533,000
Tax returns filed9,610This ZIP9,610
Total adjusted gross income$812,221,000This ZIP$812,221,000

Land area

Land area114.36 sq miThis ZIP114.36 sq mi
Water area2.22 sq miThis ZIP2.22 sq mi

Other place names in 53121

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 53121

ZIPCityDistance
53176 Springfield, WI 8.1 mi
53115 Delavan, WI 8.1 mi
53120 East Troy, WI 8.3 mi
53191 Williams Bay, WI 9.8 mi
53148 Lyons, WI 10.2 mi
53138 Honey Creek, WI 11.7 mi
53190 Whitewater, WI 11.9 mi
53147 Lake Geneva, WI 11.9 mi
53156 Palmyra, WI 12.1 mi
53125 Fontana, WI 12.1 mi

Find every ZIP code within 10 miles of 53121 →

Questions about this ZIP code

Where is ZIP code 53121?

53121 is in Elkhorn, Wisconsin, in Walworth County, part of the Whitewater-Elkhorn, WI micropolitan area. Its published point location is 42.7197, -88.5343.

What county is 53121 in?

53121 lies in Walworth County.

What area code is 53121?

Elkhorn uses area code 262, from NANPA's telephone records.

What time zone is 53121 in?

53121 uses America/Chicago.

How many people live in 53121?

About 18,551 people live in ZIP code 53121, in 7,667 households, at 162.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 53121?

$85,643 a year, against $77,485 across Wisconsin.

What ZIP codes are near 53121?

The closest are 53176 (8.1 mi), 53115 (8.1 mi), 53120 (8.3 mi), 53191 (9.8 mi) and 53148 (10.2 mi).

Is 53121 a PO Box ZIP code?

53121 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “53121 ZIP Code — Elkhorn, Wisconsin (Walworth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53121

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