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 — ZIP/53531

53531

ZIP 53531 is Deerfield, Wisconsin, in Dane County; area code 608; Central time.

Type
Standard
Time zone
America/Chicago
County
Dane
Metro area
Madison, WI
Population
4,430
Coordinates
43.0569, -89.0995
☼ Live from 53531 — Deerfield, WI

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 53531 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 53531
  • 🔢 Type 53531 into a pocket calculator and turn it upside down: IESES — not quite a word, sorry.
  • ➕ As a number, 53,531 = 199 × 269. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101000100011011
  • 🏠 Its numerical neighbours: 53530 (Darlington, WI, 57 mi away) and 53532 (Deforest, WI, 18 mi away).
  • 🔄 Backwards, 53531 becomes 13535, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (13355, 15353, 15533, 31535, 31553, 33155, …). The farthest-flung twin is 33155 in Miami, FL, 1,295 miles away.
  • 🧭 Farther north than 83% of all ZIP codes, and farther west than 53%.
  • 🎯539 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53531 and you would come out at 43.06°S, 90.90°E — 1,076 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
  • 📏 At 41.1 square miles of land, 53531 is bigger than 54% of ZIP codes — room for about 31 Central Parks.
🌙 The sky over 53531 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,430This ZIP4,430
Households1,614This ZIP1,614
Housing units1,644This ZIP1,644
Median age38.5This ZIP38.5Wisconsin40.2US 38.9
Median household income$105,000This ZIP$105,000Wisconsin$77,485US $80,734
Median home value$353,300This ZIP$353,300Wisconsin$266,500US $332,700
Median gross rent$1,221This ZIP$1,221Wisconsin$1,087US $1,413
Bachelor's degree or higher38.0%This ZIP38.0%
Mean commute23.4 minThis ZIP23.4 min
Population density107.7 / sq miThis ZIP107.7 / sq mi

Business and tax activity

Business establishments86This ZIP86
Employees1,226This ZIP1,226
Annual payroll$83,737,000This ZIP$83,737,000
Tax returns filed2,240This ZIP2,240
Total adjusted gross income$213,878,000This ZIP$213,878,000

Land area

Land area41.14 sq miThis ZIP41.14 sq mi
Water area0.07 sq miThis ZIP0.07 sq mi

Other place names in 53531

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

ZIP codes near 53531

ZIPCityDistance
53527 Cottage Grove, WI 4.7 mi
53523 Cambridge, WI 6.2 mi
53559 Marshall, WI 7.6 mi
53718 Madison, WI 9.3 mi
53551 Lake Mills, WI 9.4 mi
53558 Mc Farland, WI 9.8 mi
53589 Stoughton, WI 10.6 mi
53594 Waterloo, WI 10.9 mi
53716 Madison, WI 10.9 mi
53714 Madison, WI 11.1 mi

Find every ZIP code within 10 miles of 53531 →

Questions about this ZIP code

Where is ZIP code 53531?

53531 is in Deerfield, Wisconsin, in Dane County, part of the Madison, WI metropolitan area. Its published point location is 43.0569, -89.0995.

What county is 53531 in?

53531 lies in Dane County.

What area code is 53531?

Deerfield uses area code 608, from NANPA's telephone records.

What time zone is 53531 in?

53531 uses America/Chicago.

How many people live in 53531?

About 4,430 people live in ZIP code 53531, in 1,614 households, at 107.7 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 53531?

$105,000 a year, against $77,485 across Wisconsin.

What ZIP codes are near 53531?

The closest are 53527 (4.7 mi), 53523 (6.2 mi), 53559 (7.6 mi), 53718 (9.3 mi) and 53551 (9.4 mi).

Is 53531 a PO Box ZIP code?

53531 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “53531 ZIP Code — Deerfield, Wisconsin (Dane County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53531

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/53531.json

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