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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/53544

53544

ZIP 53544 is Hollandale, Wisconsin, mostly in Iowa County; area code 608; Central time.

Type
Standard
Time zone
America/Chicago
County
Iowa +1 more
Metro area
Madison, WI
Population
826
Coordinates
42.8776, -89.9057
☼ Live from 53544 — Hollandale, WI

Weather right now

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Local time: —

Where 53544 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 53544
  • 🔢 Type 53544 into a pocket calculator and turn it upside down: hhSES — not quite a word, sorry.
  • ➕ As a number, 53,544 = 2 × 2 × 2 × 3 × 23 × 97. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101000100101000
  • 🏠 Its numerical neighbours: 53543 (Highland, WI, 25 mi away) and 53545 (Janesville, WI, 45 mi away).
  • 🔄 Backwards, 53544 becomes 44535, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (35544, 43545, 43554, 45345, 45354, 45435, …). The farthest-flung twin is 35544 in Beaverton, AL, 625 miles away.
  • 🧭 Farther north than 82% of all ZIP codes, and farther west than 56%.
  • 🎯496 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53544 and you would come out at 42.88°S, 90.09°E — 1,048 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
  • 📏 At 40.9 square miles of land, 53544 is bigger than 54% of ZIP codes — room for about 31 Central Parks.
🌙 The sky over 53544 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population826This ZIP826
Households341This ZIP341
Housing units375This ZIP375
Median age51.1This ZIP51.1Wisconsin40.2US 38.9
Median household income$100,625This ZIP$100,625Wisconsin$77,485US $80,734
Median home value$308,100This ZIP$308,100Wisconsin$266,500US $332,700
Median gross rent$850This ZIP$850Wisconsin$1,087US $1,413
Bachelor's degree or higher26.1%This ZIP26.1%
Mean commute32.8 minThis ZIP32.8 min
Population density20.2 / sq miThis ZIP20.2 / sq mi

Business and tax activity

Business establishments20This ZIP20
Employees78This ZIP78
Annual payroll$3,862,000This ZIP$3,862,000
Tax returns filed390This ZIP390
Total adjusted gross income$29,609,000This ZIP$29,609,000

Land area

Land area40.93 sq miThis ZIP40.93 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Counties 53544 spans

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

CountyShare of this ZIP
Iowa County 99.1%
Dane County 0.9%

Other place names in 53544

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

ZIP codes near 53544

ZIPCityDistance
53516 Blanchardville, WI 5.8 mi
53507 Barneveld, WI 7.4 mi
53572 Mount Horeb, WI 9.7 mi
53582 Ridgeway, WI 10.4 mi
53504 Argyle, WI 11.4 mi
53517 Blue Mounds, WI 12.9 mi
53574 New Glarus, WI 13.5 mi
53565 Mineral Point, WI 13.5 mi
53595 Dodgeville, WI 13.7 mi
53533 Dodgeville, WI 15.4 mi

Find every ZIP code within 10 miles of 53544 →

Questions about this ZIP code

Where is ZIP code 53544?

53544 is in Hollandale, Wisconsin, in Iowa County, part of the Madison, WI metropolitan area. Its published point location is 42.8776, -89.9057.

What county is 53544 in?

53544 spans 2 counties: Iowa County and Dane County. Most of it falls in Iowa 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 53544?

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

What time zone is 53544 in?

53544 uses America/Chicago.

How many people live in 53544?

About 826 people live in ZIP code 53544, in 341 households, at 20.2 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 53544?

$100,625 a year, against $77,485 across Wisconsin.

What ZIP codes are near 53544?

The closest are 53516 (5.8 mi), 53507 (7.4 mi), 53572 (9.7 mi), 53582 (10.4 mi) and 53504 (11.4 mi).

Is 53544 a PO Box ZIP code?

53544 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “53544 ZIP Code — Hollandale, Wisconsin (Iowa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53544

Machine-readable version of these facts:

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