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zipcodes.pro — ZIP/53820

53820

ZIP 53820 is Potosi, Wisconsin, in Grant County; area code 608; Central time.

Type
Standard
Time zone
America/Chicago
County
Grant
Metro area
Platteville, WI
Population
2,467
Coordinates
42.6998, -90.7015
☼ Live from 53820 — Potosi, WI

Weather right now

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Local time: —

Where 53820 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 53820
  • 🔢 Type 53820 into a pocket calculator and turn it upside down: OZBES — not quite a word, sorry.
  • ➕ As a number, 53,820 = 2 × 2 × 3 × 3 × 5 × 13 × 23. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101001000111100
  • 🏠 Its numerical neighbours: 53818 (Platteville, WI, 11 mi away) and 53821 (Prairie Du Chien, WI, 30 mi away).
  • 🔄 Backwards, 53820 becomes 02835 — and that is a real ZIP code: Jamestown, RI, 992 miles away.
  • 👥 64 other ZIP codes are made of exactly the same digits (02358, 02538, 02835, 03258, 03285, 03582, …). The farthest-flung twin is 85320 in Aguila, AZ, 1,361 miles away.
  • 🧭 Farther north than 81% of all ZIP codes, and farther west than 58%.
  • 🎯454 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53820 and you would come out at 42.70°S, 89.30°E — 1,020 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
  • 📏 At 89.3 square miles of land, 53820 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
🌙 The sky over 53820 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,467This ZIP2,467
Households973This ZIP973
Housing units1,085This ZIP1,085
Median age44.3This ZIP44.3Wisconsin40.2US 38.9
Median household income$77,083This ZIP$77,083Wisconsin$77,485US $80,734
Median home value$201,900This ZIP$201,900Wisconsin$266,500US $332,700
Median gross rent$862This ZIP$862Wisconsin$1,087US $1,413
Bachelor's degree or higher22.5%This ZIP22.5%
Mean commute28.9 minThis ZIP28.9 min
Population density27.6 / sq miThis ZIP27.6 / sq mi

Business and tax activity

Business establishments42This ZIP42
Employees238This ZIP238
Annual payroll$7,037,000This ZIP$7,037,000
Tax returns filed1,220This ZIP1,220
Total adjusted gross income$92,337,000This ZIP$92,337,000

Land area

Land area89.26 sq miThis ZIP89.26 sq mi
Water area11.79 sq miThis ZIP11.79 sq mi

Other place names in 53820

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

ZIP codes near 53820

ZIPCityDistance
53808 Dickeyville, WI 7.0 mi
52073 Sherrill, IA 8.3 mi
53812 Kieler, WI 9.6 mi
53813 Lancaster, WI 10.0 mi
52001 Dubuque, IA 10.5 mi
53818 Platteville, WI 11.1 mi
53806 Cassville, WI 11.3 mi
53802 Beetown, WI 12.2 mi
52002 Dubuque, IA 12.6 mi
53807 Cuba City, WI 13.0 mi

Find every ZIP code within 10 miles of 53820 →

Questions about this ZIP code

Where is ZIP code 53820?

53820 is in Potosi, Wisconsin, in Grant County, part of the Platteville, WI micropolitan area. Its published point location is 42.6998, -90.7015.

What county is 53820 in?

53820 lies in Grant County.

What area code is 53820?

Potosi uses area code 608, from NANPA's telephone records.

What time zone is 53820 in?

53820 uses America/Chicago.

How many people live in 53820?

About 2,467 people live in ZIP code 53820, in 973 households, at 27.6 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 53820?

$77,083 a year, against $77,485 across Wisconsin.

What ZIP codes are near 53820?

The closest are 53808 (7 mi), 52073 (8.3 mi), 53812 (9.6 mi), 53813 (10 mi) and 52001 (10.5 mi).

Is 53820 a PO Box ZIP code?

53820 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “53820 ZIP Code — Potosi, Wisconsin (Grant County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53820

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