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Where 50528 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 50528 into a pocket calculator and turn it upside down: BZSOS — not quite a word, sorry.
- ➕ As a number, 50,528 = 2 × 2 × 2 × 2 × 2 × 1579. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010101100000 - 🏠 Its numerical neighbours: 50527 (Curlew, IA, 17 mi away) and 50529 (Dakota City, IA, 33 mi away).
- 🔄 Backwards, 50528 becomes 82505, which is not a ZIP code at all.
- 👥 25 other ZIP codes are made of exactly the same digits (02558, 05825, 08525, 20585, 20855, 25085, …). The farthest-flung twin is 02558 in Onset, MA, 1,218 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther west than 67%.
- 🎯310 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50528 and you would come out at 43.14°S, 85.46°E — 843 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 23m of daylight. Shortest: 8h 59m.
- 📏 At 74.4 square miles of land, 50528 is bigger than 70% of ZIP codes — room for about 56 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 366This ZIP366 |
|---|---|
| Households | 134This ZIP134 |
| Housing units | 170This ZIP170 |
| Median age | 33.4This ZIP33.4Iowa38.6US 38.9 |
| Median household income | $116,429This ZIP$116,429Iowa$75,059US $80,734 |
| Median home value | $187,500This ZIP$187,500Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 38.4%This ZIP38.4% |
| Mean commute | 32.2 minThis ZIP32.2 min |
| Population density | 4.9 / sq miThis ZIP4.9 / sq mi |
Business and tax activity
| Business establishments | 7This ZIP7 |
|---|---|
| Employees | 32This ZIP32 |
| Annual payroll | $1,365,000This ZIP$1,365,000 |
| Tax returns filed | 160This ZIP160 |
| Total adjusted gross income | $11,023,000This ZIP$11,023,000 |
Land area
| Land area | 74.40 sq miThis ZIP74.40 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 50528
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50528
| ZIP | City | Distance |
|---|---|---|
50598 | Whittemore, IA | 7.3 mi |
50536 | Emmetsburg, IA | 7.9 mi |
50539 | Fenton, IA | 9.1 mi |
50578 | Ringsted, IA | 11.7 mi |
50559 | Lone Rock, IA | 11.9 mi |
50597 | West Bend, IA | 12.0 mi |
51342 | Graettinger, IA | 12.5 mi |
50562 | Mallard, IA | 13.2 mi |
51365 | Wallingford, IA | 15.4 mi |
50511 | Algona, IA | 16.8 mi |
Find every ZIP code within 10 miles of 50528 →
Questions about this ZIP code
Where is ZIP code 50528?
50528 is in Cylinder, Iowa, in Palo Alto County. Its published point location is 43.1372, -94.5402.
What county is 50528 in?
50528 lies in Palo Alto County.
What area code is 50528?
Cylinder uses area code 712, from NANPA's telephone records.
What time zone is 50528 in?
50528 uses America/Chicago.
How many people live in 50528?
About 366 people live in ZIP code 50528, in 134 households, at 4.9 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 50528?
$116,429 a year, against $75,059 across Iowa.
What ZIP codes are near 50528?
The closest are 50598 (7.3 mi), 50536 (7.9 mi), 50539 (9.1 mi), 50578 (11.7 mi) and 50559 (11.9 mi).
Is 50528 a PO Box ZIP code?
50528 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50528 ZIP Code — Cylinder, Iowa (Palo Alto County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50528
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50528.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.