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Where 54403 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.
- 🔢 Type 54403 into a pocket calculator and turn it upside down: EOhhS — not quite a word, sorry.
- ➕ 54403 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101010010000011 - 🏠 Its numerical neighbours: 54402 (Wausau, WI, 14 mi away) and 54404 (Marshfield, WI, 40 mi away).
- 🔄 Backwards, 54403 becomes 30445 — and that is a real ZIP code: Mount Vernon, GA, 963 miles away.
- 👥 36 other ZIP codes are made of exactly the same digits (03445, 04345, 04354, 04435, 04453, 04543, …). The farthest-flung twin is 34054 in FPO AA, a military post office, 2,510 miles away.
- 🧭 Farther north than 91% of all ZIP codes, and farther west than 55%.
- 🎯584 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 54403 and you would come out at 45.02°S, 90.47°E — 994 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 133.6 square miles of land, 54403 is bigger than 84% of ZIP codes — room for about 101 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 24,950This ZIP24,950 |
|---|---|
| Households | 10,499This ZIP10,499 |
| Housing units | 11,083This ZIP11,083 |
| Median age | 39.6This ZIP39.6Wisconsin40.2US 38.9 |
| Median household income | $69,030This ZIP$69,030Wisconsin$77,485US $80,734 |
| Median home value | $192,600This ZIP$192,600Wisconsin$266,500US $332,700 |
| Median gross rent | $1,009This ZIP$1,009Wisconsin$1,087US $1,413 |
| Bachelor's degree or higher | 34.4%This ZIP34.4% |
| Mean commute | 17.9 minThis ZIP17.9 min |
| Population density | 186.8 / sq miThis ZIP186.8 / sq mi |
Business and tax activity
| Business establishments | 541This ZIP541 |
|---|---|
| Employees | 7,151This ZIP7,151 |
| Annual payroll | $374,786,000This ZIP$374,786,000 |
| Tax returns filed | 12,240This ZIP12,240 |
| Total adjusted gross income | $1,014,702,000This ZIP$1,014,702,000 |
Land area
| Land area | 133.59 sq miThis ZIP133.59 sq mi |
|---|---|
| Water area | 0.83 sq miThis ZIP0.83 sq mi |
Other place names in 54403
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 54403
| ZIP | City | Distance |
|---|---|---|
54417 | Brokaw, WI | 6.3 mi |
54471 | Ringle, WI | 7.8 mi |
54476 | Schofield, WI | 8.9 mi |
54401 | Wausau, WI | 9.7 mi |
54408 | Aniwa, WI | 9.8 mi |
54474 | Rothschild, WI | 11.0 mi |
54402 | Wausau, WI | 14.5 mi |
54440 | Hatley, WI | 16.0 mi |
54448 | Marathon, WI | 16.1 mi |
54414 | Birnamwood, WI | 17.5 mi |
Find every ZIP code within 10 miles of 54403 →
Questions about this ZIP code
Where is ZIP code 54403?
54403 is in Wausau, Wisconsin, in Marathon County, part of the Wausau, WI metropolitan area. Its published point location is 45.0185, -89.5251.
What county is 54403 in?
54403 lies in Marathon County.
What area code is 54403?
Wausau uses area codes 715 and 534, from NANPA's telephone records.
What time zone is 54403 in?
54403 uses America/Chicago.
How many people live in 54403?
About 24,950 people live in ZIP code 54403, in 10,499 households, at 186.8 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 54403?
$69,030 a year, against $77,485 across Wisconsin.
What ZIP codes are near 54403?
The closest are 54417 (6.3 mi), 54471 (7.8 mi), 54476 (8.9 mi), 54401 (9.7 mi) and 54408 (9.8 mi).
Is 54403 a PO Box ZIP code?
54403 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “54403 ZIP Code — Wausau, Wisconsin (Marathon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54403
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/54403.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.