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Where 52550 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 52550 into a pocket calculator and turn it upside down: OSSZS — not quite a word, sorry.
- ➕ As a number, 52,550 = 2 × 5 × 5 × 1051. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100110101000110 - 🏠 Its numerical neighbours: 52549 (Cincinnati, IA, 57 mi away) and 52551 (Douds, IA, 37 mi away).
- 🔄 Backwards, 52550 becomes 05525, which is not a ZIP code at all.
- 👥 9 other ZIP codes are made of exactly the same digits (05255, 20555, 25505, 25550, 50255, 50525, …). The farthest-flung twin is 05255 in Manchester Center, VT, 995 miles away.
- 🧭 Farther north than 69% of all ZIP codes, and farther west than 62%.
- 🎯342 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 52550 and you would come out at 41.31°S, 87.64°E — 1,008 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
- 📏 At 38.1 square miles of land, 52550 is bigger than 52% of ZIP codes — room for about 29 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 552This ZIP552 |
|---|---|
| Households | 256This ZIP256 |
| Housing units | 290This ZIP290 |
| Median age | 41.7This ZIP41.7Iowa38.6US 38.9 |
| Median household income | $57,745This ZIP$57,745Iowa$75,059US $80,734 |
| Median home value | $110,200This ZIP$110,200Iowa$208,000US $332,700 |
| Median gross rent | $1,038This ZIP$1,038Iowa$972US $1,413 |
| Bachelor's degree or higher | 5.9%This ZIP5.9% |
| Mean commute | 29.3 minThis ZIP29.3 min |
| Population density | 14.5 / sq miThis ZIP14.5 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 3This ZIP3 |
| Annual payroll | $62,000This ZIP$62,000 |
| Tax returns filed | 220This ZIP220 |
| Total adjusted gross income | $11,491,000This ZIP$11,491,000 |
Land area
| Land area | 38.07 sq miThis ZIP38.07 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Counties 52550 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Keokuk County | 97.7% |
| Mahaska County | 2.4% |
Other place names in 52550
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 52550
| ZIP | City | Distance |
|---|---|---|
52586 | Rose Hill, IA | 5.8 mi |
50268 | What Cheer, IA | 6.4 mi |
52562 | Hayesville, IA | 6.5 mi |
52561 | Fremont, IA | 8.1 mi |
52591 | Sigourney, IA | 8.6 mi |
50255 | Thornburg, IA | 9.9 mi |
52563 | Hedrick, IA | 10.8 mi |
52568 | Martinsburg, IA | 10.9 mi |
52543 | Cedar, IA | 11.2 mi |
50136 | Keswick, IA | 11.3 mi |
Find every ZIP code within 10 miles of 52550 →
Questions about this ZIP code
Where is ZIP code 52550?
52550 is in Delta, Iowa, in Keokuk County. Its published point location is 41.3139, -92.3569.
What county is 52550 in?
52550 spans 2 counties: Keokuk County and Mahaska County. Most of it falls in Keokuk 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 52550?
Delta uses area code 641, from NANPA's telephone records.
What time zone is 52550 in?
52550 uses America/Chicago.
How many people live in 52550?
About 552 people live in ZIP code 52550, in 256 households, at 14.5 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 52550?
$57,745 a year, against $75,059 across Iowa.
What ZIP codes are near 52550?
The closest are 52586 (5.8 mi), 50268 (6.4 mi), 52562 (6.5 mi), 52561 (8.1 mi) and 52591 (8.6 mi).
Is 52550 a PO Box ZIP code?
52550 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “52550 ZIP Code — Delta, Iowa (Keokuk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52550
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/52550.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.