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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/54002

54002

ZIP 54002 is Baldwin, Wisconsin, mostly in St. Croix County; area code 715; Central time.

Type
Standard
Time zone
America/Chicago
County
St. Croix +1 more
Population
6,872
Coordinates
44.9596, -92.3719
☼ Live from 54002 — Baldwin, WI

Weather right now

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Local time: —

Where 54002 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 54002
  • 🔢 Type 54002 into a pocket calculator and turn it upside down: ZOOhS — not quite a word, sorry.
  • ➕ As a number, 54,002 = 2 × 13 × 31 × 67. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101001011110010
  • 🏠 Its numerical neighbours: 54001 (Amery, WI, 26 mi away) and 54003 (Beldenville, WI, 13 mi away).
  • 🔄 Backwards, 54002 becomes 20045 — and that is a real ZIP code: Washington, DC, 891 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (02045, 02054, 02540, 04250, 05042, 05402, …). The farthest-flung twin is 02540 in Falmouth, MA, 1,115 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 62%.
  • 🎯475 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54002 and you would come out at 44.96°S, 87.63°E — 870 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 37m of daylight. Shortest: 8h 46m.
  • 📏 At 77.7 square miles of land, 54002 is bigger than 72% of ZIP codes — room for about 59 Central Parks.
🌙 The sky over 54002 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population6,872This ZIP6,872
Households2,561This ZIP2,561
Housing units2,579This ZIP2,579
Median age35.5This ZIP35.5Wisconsin40.2US 38.9
Median household income$88,275This ZIP$88,275Wisconsin$77,485US $80,734
Median home value$309,200This ZIP$309,200Wisconsin$266,500US $332,700
Median gross rent$1,167This ZIP$1,167Wisconsin$1,087US $1,413
Bachelor's degree or higher32.2%This ZIP32.2%
Mean commute26.8 minThis ZIP26.8 min
Population density88.4 / sq miThis ZIP88.4 / sq mi

Business and tax activity

Business establishments186This ZIP186
Employees3,509This ZIP3,509
Annual payroll$190,075,000This ZIP$190,075,000
Tax returns filed3,200This ZIP3,200
Total adjusted gross income$254,063,000This ZIP$254,063,000

Land area

Land area77.71 sq miThis ZIP77.71 sq mi
Water area0.30 sq miThis ZIP0.30 sq mi

Counties 54002 spans

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

CountyShare of this ZIP
St. Croix County 96.9%
Pierce County 3.1%

Other place names in 54002

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

ZIP codes near 54002

ZIPCityDistance
54015 Hammond, WI 4.0 mi
54028 Woodville, WI 4.3 mi
54023 Roberts, WI 8.7 mi
54027 Wilson, WI 8.8 mi
54767 Spring Valley, WI 10.6 mi
54013 Glenwood City, WI 11.0 mi
54003 Beldenville, WI 12.7 mi
54017 New Richmond, WI 13.2 mi
54749 Knapp, WI 13.3 mi
54022 River Falls, WI 14.1 mi

Find every ZIP code within 10 miles of 54002 →

Questions about this ZIP code

Where is ZIP code 54002?

54002 is in Baldwin, Wisconsin, in St. Croix County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 44.9596, -92.3719.

What county is 54002 in?

54002 spans 2 counties: St. Croix County and Pierce County. Most of it falls in St. Croix 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 54002?

Baldwin uses area code 715, from NANPA's telephone records.

What time zone is 54002 in?

54002 uses America/Chicago.

How many people live in 54002?

About 6,872 people live in ZIP code 54002, in 2,561 households, at 88.4 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 54002?

$88,275 a year, against $77,485 across Wisconsin.

What ZIP codes are near 54002?

The closest are 54015 (4 mi), 54028 (4.3 mi), 54023 (8.7 mi), 54027 (8.8 mi) and 54767 (10.6 mi).

Is 54002 a PO Box ZIP code?

54002 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “54002 ZIP Code — Baldwin, Wisconsin (St. Croix County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54002

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54002.json

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