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zipcodes.pro — ZIP/54521

54521

ZIP 54521 is Eagle River, Wisconsin, mostly in Vilas County; area code 715; Central time.

Type
Standard
Time zone
America/Chicago
County
Vilas +2 more
Metro area
none
Population
8,551
Coordinates
45.9162, -89.2542
☼ Live from 54521 — Eagle River, WI

Weather right now

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Local time: —

Where 54521 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 54521
  • 🔢 Type 54521 into a pocket calculator and turn it upside down: IZShS — not quite a word, sorry.
  • ➕ 54521 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101010011111001
  • 🏠 Its numerical neighbours: 54520 (Crandon, WI, 30 mi away) and 54524 (Fifield, WI, 55 mi away).
  • 🔄 Backwards, 54521 becomes 12545 — and that is a real ZIP code: Millbrook, NY, 825 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (12455, 12545, 14525, 15254, 15425, 15542, …). The farthest-flung twin is 12545 in Millbrook, NY, 825 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 54%.
  • 🎯632 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54521 and you would come out at 45.92°S, 90.75°E — 981 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 45m of daylight. Shortest: 8h 39m.
  • 📏 At 188.4 square miles of land, 54521 is bigger than 90% of ZIP codes — room for about 143 Central Parks.
🌙 The sky over 54521 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population8,551This ZIP8,551
Households4,020This ZIP4,020
Housing units7,684This ZIP7,684
Median age55.7This ZIP55.7Wisconsin40.2US 38.9
Median household income$74,071This ZIP$74,071Wisconsin$77,485US $80,734
Median home value$305,100This ZIP$305,100Wisconsin$266,500US $332,700
Median gross rent$935This ZIP$935Wisconsin$1,087US $1,413
Bachelor's degree or higher29.5%This ZIP29.5%
Mean commute20.5 minThis ZIP20.5 min
Population density45.4 / sq miThis ZIP45.4 / sq mi

Business and tax activity

Business establishments424This ZIP424
Employees2,864This ZIP2,864
Annual payroll$128,163,000This ZIP$128,163,000
Tax returns filed4,480This ZIP4,480
Total adjusted gross income$362,626,000This ZIP$362,626,000

Land area

Land area188.36 sq miThis ZIP188.36 sq mi
Water area25.39 sq miThis ZIP25.39 sq mi

Counties 54521 spans

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

CountyShare of this ZIP
Vilas County 64.2%
Oneida County 30.3%
Forest County 5.5%

Other place names in 54521

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

ZIP codes near 54521

ZIPCityDistance
54519 Conover, WI 9.6 mi
54562 Three Lakes, WI 11.5 mi
54558 Saint Germain, WI 11.8 mi
54561 Star Lake, WI 13.4 mi
54554 Phelps, WI 13.5 mi
54560 Sayner, WI 16.6 mi
54539 Lake Tomahawk, WI 17.2 mi
54540 Land O Lakes, WI 17.4 mi
54501 Rhinelander, WI 18.4 mi
54543 Mc Naughton, WI 19.8 mi

Find every ZIP code within 10 miles of 54521 →

Questions about this ZIP code

Where is ZIP code 54521?

54521 is in Eagle River, Wisconsin, in Vilas County. Its published point location is 45.9162, -89.2542.

What county is 54521 in?

54521 spans 3 counties: Vilas County, Oneida County and Forest County. Most of it falls in Vilas 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 54521?

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

What time zone is 54521 in?

54521 uses America/Chicago.

How many people live in 54521?

About 8,551 people live in ZIP code 54521, in 4,020 households, at 45.4 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 54521?

$74,071 a year, against $77,485 across Wisconsin.

What ZIP codes are near 54521?

The closest are 54519 (9.6 mi), 54562 (11.5 mi), 54558 (11.8 mi), 54561 (13.4 mi) and 54554 (13.5 mi).

Is 54521 a PO Box ZIP code?

54521 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “54521 ZIP Code — Eagle River, Wisconsin (Vilas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54521

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54521.json

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