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zipcodes.pro — ZIP/53040

53040

ZIP 53040 is Kewaskum, Wisconsin, mostly in Washington County; area code 262; Central time.

Type
Standard
Time zone
America/Chicago
County
Washington +2 more
Population
8,630
Coordinates
43.5270, -88.1910
☼ Live from 53040 — Kewaskum, WI

Weather right now

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NEXRAD radar
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Local time: —

Where 53040 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 53040
  • 🔢 Type 53040 into a pocket calculator and turn it upside down: OhOES — not quite a word, sorry.
  • ➕ As a number, 53,040 = 2 × 2 × 2 × 2 × 3 × 5 × 13 × 17. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100111100110000
  • 🏠 Its numerical neighbours: 53039 (Juneau, WI, 28 mi away) and 53042 (Kiel, WI, 32 mi away).
  • 🔄 Backwards, 53040 becomes 04035, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (03045, 03054, 03450, 04350, 04530, 05034, …). The farthest-flung twin is 34005 in APO AA, a military post office, 2,417 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 51%.
  • 🎯593 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53040 and you would come out at 43.53°S, 91.81°E — 1,099 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
  • 📏 At 62.9 square miles of land, 53040 is bigger than 66% of ZIP codes — room for about 48 Central Parks.
🌙 The sky over 53040 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population8,630This ZIP8,630
Households3,356This ZIP3,356
Housing units3,527This ZIP3,527
Median age39.9This ZIP39.9Wisconsin40.2US 38.9
Median household income$96,096This ZIP$96,096Wisconsin$77,485US $80,734
Median home value$326,100This ZIP$326,100Wisconsin$266,500US $332,700
Median gross rent$1,092This ZIP$1,092Wisconsin$1,087US $1,413
Bachelor's degree or higher23.3%This ZIP23.3%
Mean commute28.8 minThis ZIP28.8 min
Population density137.2 / sq miThis ZIP137.2 / sq mi

Business and tax activity

Business establishments159This ZIP159
Employees1,416This ZIP1,416
Annual payroll$57,218,000This ZIP$57,218,000
Tax returns filed4,400This ZIP4,400
Total adjusted gross income$375,264,000This ZIP$375,264,000

Land area

Land area62.91 sq miThis ZIP62.91 sq mi
Water area0.20 sq miThis ZIP0.20 sq mi

Counties 53040 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Washington County 76.9%
Sheboygan County 12.6%
Fond du Lac County 10.5%

Other place names in 53040

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

ZIP codes near 53040

ZIPCityDistance
53090 West Bend, WI 4.6 mi
53010 Campbellsport, WI 7.2 mi
53001 Adell, WI 8.8 mi
53060 Newburg, WI 9.1 mi
53002 Allenton, WI 9.2 mi
53021 Fredonia, WI 9.4 mi
53095 West Bend, WI 9.8 mi
53075 Random Lake, WI 10.3 mi
53011 Cascade, WI 10.4 mi
53091 Theresa, WI 12.3 mi

Find every ZIP code within 10 miles of 53040 →

Questions about this ZIP code

Where is ZIP code 53040?

53040 is in Kewaskum, Wisconsin, in Washington County, part of the Milwaukee-Waukesha, WI metropolitan area. Its published point location is 43.5270, -88.1910.

What county is 53040 in?

53040 spans 3 counties: Washington County, Sheboygan County and Fond du Lac County. Most of it falls in Washington County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 53040?

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

What time zone is 53040 in?

53040 uses America/Chicago.

How many people live in 53040?

About 8,630 people live in ZIP code 53040, in 3,356 households, at 137.2 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 53040?

$96,096 a year, against $77,485 across Wisconsin.

What ZIP codes are near 53040?

The closest are 53090 (4.6 mi), 53010 (7.2 mi), 53001 (8.8 mi), 53060 (9.1 mi) and 53002 (9.2 mi).

Is 53040 a PO Box ZIP code?

53040 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “53040 ZIP Code — Kewaskum, Wisconsin (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53040

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/53040.json

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