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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/54901

54901

ZIP 54901 is in Oshkosh, Wisconsin, in Winnebago County; area code 920; Central time. Oshkosh has 5 ZIP codes; the others are 54902, 54903, 54904 and 54906.

Type
Standard
Time zone
America/Chicago
County
Winnebago
Metro area
Oshkosh-Neenah, WI
Population
37,294
Coordinates
44.0628, -88.5358
☼ Live from 54901 — Oshkosh, WI

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Local time: —

Where 54901 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 54901
  • 🔢 Type 54901 into a pocket calculator and turn it upside down: IOGhS — not quite a word, sorry.
  • ➕ As a number, 54,901 = 7 × 11 × 23 × 31. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011001110101
  • 🏠 Its numerical neighbours: 54896 (Winter, WI, 166 mi away) and 54902 (Oshkosh, WI, 8 mi away).
  • 🔄 Backwards, 54901 becomes 10945, which is not a ZIP code at all.
  • 👥 52 other ZIP codes are made of exactly the same digits (01945, 04915, 04951, 05149, 05491, 09154, …). The farthest-flung twin is 09154 in APO AE, a military post office, 4,328 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther west than 52%.
  • 🎯593 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54901 and you would come out at 44.06°S, 91.46°E — 1,066 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 30m of daylight. Shortest: 8h 53m.
  • 📏 At 16.6 square miles of land, 54901 is bigger than 34% of ZIP codes — room for about 13 Central Parks.
🌙 The sky over 54901 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population37,294This ZIP37,294
Households14,109This ZIP14,109
Housing units15,439This ZIP15,439
Median age31.0This ZIP31.0Wisconsin40.2US 38.9
Median household income$61,794This ZIP$61,794Wisconsin$77,485US $80,734
Median home value$177,700This ZIP$177,700Wisconsin$266,500US $332,700
Median gross rent$962This ZIP$962Wisconsin$1,087US $1,413
Bachelor's degree or higher23.4%This ZIP23.4%
Mean commute18.8 minThis ZIP18.8 min
Population density2,241.4 / sq miThis ZIP2,241.4 / sq mi

Business and tax activity

Business establishments705This ZIP705
Employees13,027This ZIP13,027
Annual payroll$637,280,000This ZIP$637,280,000
Tax returns filed15,410This ZIP15,410
Total adjusted gross income$910,409,000This ZIP$910,409,000

Land area

Land area16.64 sq miThis ZIP16.64 sq mi
Water area1.19 sq miThis ZIP1.19 sq mi

Other place names in 54901

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

ZIP codes near 54901

ZIPCityDistance
54985 Winnebago, WI 1.2 mi
54904 Oshkosh, WI 5.2 mi
54903 Oshkosh, WI 5.4 mi
54906 Oshkosh, WI 5.4 mi
54927 Butte Des Morts, WI 6.5 mi
54902 Oshkosh, WI 8.0 mi
54956 Neenah, WI 8.3 mi
54957 Neenah, WI 9.2 mi
54986 Winneconne, WI 11.2 mi
54963 Omro, WI 11.6 mi

Find every ZIP code within 10 miles of 54901 →

Questions about this ZIP code

Where is ZIP code 54901?

54901 is in Oshkosh, Wisconsin, in Winnebago County, part of the Oshkosh-Neenah, WI metropolitan area. Its published point location is 44.0628, -88.5358.

What county is 54901 in?

54901 lies in Winnebago County.

What area code is 54901?

Oshkosh uses area code 920, from NANPA's telephone records.

What time zone is 54901 in?

54901 uses America/Chicago.

How many people live in 54901?

About 37,294 people live in ZIP code 54901, in 14,109 households, at 2,241.4 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 54901?

$61,794 a year, against $77,485 across Wisconsin.

What ZIP codes are near 54901?

The closest are 54985 (1.2 mi), 54904 (5.2 mi), 54903 (5.4 mi), 54906 (5.4 mi) and 54927 (6.5 mi).

Is 54901 a PO Box ZIP code?

54901 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “54901 ZIP Code — Oshkosh, Wisconsin (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54901

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