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zipcodes.pro — ZIP/54205

54205

ZIP 54205 is Casco, Wisconsin, mostly in Kewaunee County; area codes 274 and 920; Central time.

Type
Standard
Time zone
America/Chicago
County
Kewaunee +1 more
Metro area
Green Bay, WI
Population
2,229
Coordinates
44.6108, -87.6324
☼ Live from 54205 — Casco, WI

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Local time: —

Where 54205 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 54205
  • 🔢 Type 54205 into a pocket calculator and turn it upside down: SOZhS — not quite a word, sorry.
  • ➕ As a number, 54,205 = 5 × 37 × 293. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101001110111101
  • 🏠 Its numerical neighbours: 54204 (Brussels, WI, 10 mi away) and 54207 (Collins, WI, 41 mi away).
  • 🔄 Backwards, 54205 becomes 50245, which is not a ZIP code at all.
  • 👥 34 other ZIP codes are made of exactly the same digits (02455, 02554, 04255, 05254, 05452, 20554, …). The farthest-flung twin is 02554 in Nantucket, MA, 914 miles away.
  • 🧭 Farther north than 90% of all ZIP codes, and farther east than 50%.
  • 🎯650 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54205 and you would come out at 44.61°S, 92.37°E — 1,090 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 34m of daylight. Shortest: 8h 49m.
  • 📏 At 44.1 square miles of land, 54205 is bigger than 56% of ZIP codes — room for about 34 Central Parks.
🌙 The sky over 54205 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,229This ZIP2,229
Households797This ZIP797
Housing units825This ZIP825
Median age42.8This ZIP42.8Wisconsin40.2US 38.9
Median household income$90,781This ZIP$90,781Wisconsin$77,485US $80,734
Median home value$252,900This ZIP$252,900Wisconsin$266,500US $332,700
Median gross rent$1,031This ZIP$1,031Wisconsin$1,087US $1,413
Bachelor's degree or higher19.7%This ZIP19.7%
Mean commute24.5 minThis ZIP24.5 min
Population density50.5 / sq miThis ZIP50.5 / sq mi

Business and tax activity

Business establishments44This ZIP44
Employees205This ZIP205
Annual payroll$7,011,000This ZIP$7,011,000
Tax returns filed1,080This ZIP1,080
Total adjusted gross income$82,065,000This ZIP$82,065,000

Land area

Land area44.13 sq miThis ZIP44.13 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Counties 54205 spans

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

CountyShare of this ZIP
Kewaunee County 97.8%
Door County 2.2%

Other place names in 54205

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

ZIP codes near 54205

ZIPCityDistance
54217 Luxemburg, WI 6.0 mi
54201 Algoma, WI 7.3 mi
54213 Forestville, WI 7.8 mi
54229 New Franken, WI 9.7 mi
54204 Brussels, WI 10.1 mi
54226 Maplewood, WI 12.1 mi
54216 Kewaunee, WI 12.3 mi
54311 Green Bay, WI 15.6 mi
54302 Green Bay, WI 18.4 mi
54173 Suamico, WI 18.9 mi

Find every ZIP code within 10 miles of 54205 →

Questions about this ZIP code

Where is ZIP code 54205?

54205 is in Casco, Wisconsin, in Kewaunee County, part of the Green Bay, WI metropolitan area. Its published point location is 44.6108, -87.6324.

What county is 54205 in?

54205 spans 2 counties: Kewaunee County and Door County. Most of it falls in Kewaunee 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 54205?

Casco uses area codes 274 and 920, from NANPA's telephone records.

What time zone is 54205 in?

54205 uses America/Chicago.

How many people live in 54205?

About 2,229 people live in ZIP code 54205, in 797 households, at 50.5 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 54205?

$90,781 a year, against $77,485 across Wisconsin.

What ZIP codes are near 54205?

The closest are 54217 (6 mi), 54201 (7.3 mi), 54213 (7.8 mi), 54229 (9.7 mi) and 54204 (10.1 mi).

Is 54205 a PO Box ZIP code?

54205 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “54205 ZIP Code — Casco, Wisconsin (Kewaunee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54205

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