53505
ZIP 53505 is Avalon, Wisconsin, in Rock County; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Rock
- Metro area
- Janesville-Beloit, WI
- Population
- 358
- Coordinates
- 42.6611, -88.8209
Weather right now
Asking the National Weather Service…
Where 53505 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 53505 into a pocket calculator and turn it upside down: SOSES — not quite a word, sorry.
- ➕ As a number, 53,505 = 3 × 3 × 5 × 29 × 41. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101000100000001 - 🏠 Its numerical neighbours: 53504 (Argyle, WI, 52 mi away) and 53506 (Avoca, WI, 82 mi away).
- 🔄 Backwards, 53505 becomes 50535 — and that is a real ZIP code: Early, IA, 323 miles away.
- 👥 9 other ZIP codes are made of exactly the same digits (05355, 30555, 35055, 35550, 50535, 53550, …). The farthest-flung twin is 05355 in Wardsboro, VT, 810 miles away.
- 🧭 Farther north than 80% of all ZIP codes, and farther west than 53%.
- 🎯543 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 53505 and you would come out at 42.66°S, 91.18°E — 1,102 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 02m.
- 📏 At 22.1 square miles of land, 53505 is bigger than 39% of ZIP codes — room for about 17 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 358This ZIP358 |
|---|---|
| Households | 164This ZIP164 |
| Housing units | 182This ZIP182 |
| Median age | 50.3This ZIP50.3Wisconsin40.2US 38.9 |
| Median household income | $91,500This ZIP$91,500Wisconsin$77,485US $80,734 |
| Median home value | $300,000This ZIP$300,000Wisconsin$266,500US $332,700 |
| Median gross rent | $931This ZIP$931Wisconsin$1,087US $1,413 |
| Bachelor's degree or higher | 24.3%This ZIP24.3% |
| Mean commute | 24.5 minThis ZIP24.5 min |
| Population density | 16.2 / sq miThis ZIP16.2 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 56This ZIP56 |
| Annual payroll | $3,434,000This ZIP$3,434,000 |
| Tax returns filed | 180This ZIP180 |
| Total adjusted gross income | $14,258,000This ZIP$14,258,000 |
Land area
| Land area | 22.10 sq miThis ZIP22.10 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
ZIP codes near 53505
| ZIP | City | Distance |
|---|---|---|
53114 | Darien, WI | 5.2 mi |
53546 | Janesville, WI | 6.5 mi |
53115 | Delavan, WI | 7.8 mi |
53525 | Clinton, WI | 8.2 mi |
53563 | Milton, WI | 10.1 mi |
53585 | Sharon, WI | 10.4 mi |
53190 | Whitewater, WI | 11.0 mi |
53547 | Janesville, WI | 11.6 mi |
53545 | Janesville, WI | 12.4 mi |
53501 | Afton, WI | 13.5 mi |
Find every ZIP code within 10 miles of 53505 →
Questions about this ZIP code
Where is ZIP code 53505?
53505 is in Avalon, Wisconsin, in Rock County, part of the Janesville-Beloit, WI metropolitan area. Its published point location is 42.6611, -88.8209.
What county is 53505 in?
53505 lies in Rock County.
What time zone is 53505 in?
53505 uses America/Chicago.
How many people live in 53505?
About 358 people live in ZIP code 53505, in 164 households, at 16.2 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 53505?
$91,500 a year, against $77,485 across Wisconsin.
What ZIP codes are near 53505?
The closest are 53114 (5.2 mi), 53546 (6.5 mi), 53115 (7.8 mi), 53525 (8.2 mi) and 53563 (10.1 mi).
Is 53505 a PO Box ZIP code?
53505 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “53505 ZIP Code — Avalon, Wisconsin (Rock County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53505
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/53505.json Underlying data is public domain or openly licensed — sources, vintages and licences.