53021
ZIP 53021 is Fredonia, Wisconsin, mostly in Ozaukee County; area code 262; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Ozaukee +2 more
- Metro area
- Milwaukee-Waukesha, WI
- Population
- 4,537
- Coordinates
- 43.4947, -88.0093
Weather right now
Asking the National Weather Service…
Where 53021 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 53021 into a pocket calculator and turn it upside down: IZOES — not quite a word, sorry.
- ➕ As a number, 53,021 = 37 × 1433. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100111100011101 - 🏠 Its numerical neighbours: 53020 (Elkhart Lake, WI, 25 mi away) and 53022 (Germantown, WI, 19 mi away).
- 🔄 Backwards, 53021 becomes 12035 — and that is a real ZIP code: Central Bridge, NY, 689 miles away.
- 👥 73 other ZIP codes are made of exactly the same digits (01235, 01253, 01523, 01532, 02135, 02153, …). The farthest-flung twin is 32105 in Barberville, FL, 1,053 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 50%.
- 🎯601 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 53021 and you would come out at 43.49°S, 91.99°E — 1,108 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
- 📏 At 33.4 square miles of land, 53021 is bigger than 48% of ZIP codes — room for about 25 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,537This ZIP4,537 |
|---|---|
| Households | 1,704This ZIP1,704 |
| Housing units | 1,819This ZIP1,819 |
| Median age | 39.9This ZIP39.9Wisconsin40.2US 38.9 |
| Median household income | $89,779This ZIP$89,779Wisconsin$77,485US $80,734 |
| Median home value | $315,800This ZIP$315,800Wisconsin$266,500US $332,700 |
| Median gross rent | $1,005This ZIP$1,005Wisconsin$1,087US $1,413 |
| Bachelor's degree or higher | 23.5%This ZIP23.5% |
| Mean commute | 24.3 minThis ZIP24.3 min |
| Population density | 135.7 / sq miThis ZIP135.7 / sq mi |
Business and tax activity
| Business establishments | 84This ZIP84 |
|---|---|
| Employees | 883This ZIP883 |
| Annual payroll | $47,770,000This ZIP$47,770,000 |
| Tax returns filed | 2,390This ZIP2,390 |
| Total adjusted gross income | $214,174,000This ZIP$214,174,000 |
Land area
| Land area | 33.43 sq miThis ZIP33.43 sq mi |
|---|---|
| Water area | 0.35 sq miThis ZIP0.35 sq mi |
Counties 53021 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Ozaukee County | 81.0% |
| Washington County | 18.2% |
| Sheboygan County | 0.8% |
Other place names in 53021
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 53021
| ZIP | City | Distance |
|---|---|---|
53075 | Random Lake, WI | 4.9 mi |
53060 | Newburg, WI | 5.0 mi |
53080 | Saukville, WI | 6.3 mi |
53004 | Belgium, WI | 6.5 mi |
53074 | Port Washington, WI | 7.5 mi |
53001 | Adell, WI | 8.2 mi |
53090 | West Bend, WI | 8.4 mi |
53040 | Kewaskum, WI | 9.4 mi |
53013 | Cedar Grove, WI | 9.5 mi |
53095 | West Bend, WI | 10.5 mi |
Find every ZIP code within 10 miles of 53021 →
Questions about this ZIP code
Where is ZIP code 53021?
53021 is in Fredonia, Wisconsin, in Ozaukee County, part of the Milwaukee-Waukesha, WI metropolitan area. Its published point location is 43.4947, -88.0093.
What county is 53021 in?
53021 spans 3 counties: Ozaukee County, Washington County and Sheboygan County. Most of it falls in Ozaukee 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 53021?
Fredonia uses area code 262, from NANPA's telephone records.
What time zone is 53021 in?
53021 uses America/Chicago.
How many people live in 53021?
About 4,537 people live in ZIP code 53021, in 1,704 households, at 135.7 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 53021?
$89,779 a year, against $77,485 across Wisconsin.
What ZIP codes are near 53021?
The closest are 53075 (4.9 mi), 53060 (5 mi), 53080 (6.3 mi), 53004 (6.5 mi) and 53074 (7.5 mi).
Is 53021 a PO Box ZIP code?
53021 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “53021 ZIP Code — Fredonia, Wisconsin (Ozaukee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53021
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/53021.json Underlying data is public domain or openly licensed — sources, vintages and licences.