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Where 50628 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 50628 into a pocket calculator and turn it upside down: BZgOS — not quite a word, sorry.
- ➕ As a number, 50,628 = 2 × 2 × 3 × 4219. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010111000100 - 🏠 Its numerical neighbours: 50627 (Eldora, IA, 73 mi away) and 50629 (Fairbank, IA, 46 mi away).
- 🔄 Backwards, 50628 becomes 82605 — and that is a real ZIP code: Casper, WY, 702 miles away.
- 👥 61 other ZIP codes are made of exactly the same digits (02568, 02865, 05682, 05826, 05862, 06258, …). The farthest-flung twin is 85620 in Naco, AZ, 1,264 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther west than 62%.
- 🎯398 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50628 and you would come out at 43.27°S, 87.61°E — 927 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
- 📏 At 113.4 square miles of land, 50628 is bigger than 81% of ZIP codes — room for about 86 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,423This ZIP1,423 |
|---|---|
| Households | 564This ZIP564 |
| Housing units | 662This ZIP662 |
| Median age | 39.2This ZIP39.2Iowa38.6US 38.9 |
| Median household income | $68,750This ZIP$68,750Iowa$75,059US $80,734 |
| Median home value | $153,500This ZIP$153,500Iowa$208,000US $332,700 |
| Median gross rent | $672This ZIP$672Iowa$972US $1,413 |
| Bachelor's degree or higher | 13.3%This ZIP13.3% |
| Mean commute | 25.2 minThis ZIP25.2 min |
| Population density | 12.6 / sq miThis ZIP12.6 / sq mi |
Business and tax activity
| Business establishments | 18This ZIP18 |
|---|---|
| Employees | 185This ZIP185 |
| Annual payroll | $7,681,000This ZIP$7,681,000 |
| Tax returns filed | 560This ZIP560 |
| Total adjusted gross income | $43,391,000This ZIP$43,391,000 |
Land area
| Land area | 113.38 sq miThis ZIP113.38 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
Counties 50628 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Howard County | 93.0% |
| Mitchell County | 7.0% |
Other place names in 50628
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50628
| ZIP | City | Distance |
|---|---|---|
50603 | Alta Vista, IA | 6.6 mi |
50466 | Riceville, IA | 10.7 mi |
50661 | North Washington, IA | 10.8 mi |
52155 | Lime Springs, IA | 10.9 mi |
50659 | New Hampton, IA | 12.7 mi |
50620 | Colwell, IA | 12.7 mi |
52134 | Chester, IA | 13.7 mi |
52163 | Protivin, IA | 15.1 mi |
50460 | Orchard, IA | 15.3 mi |
52136 | Cresco, IA | 15.7 mi |
Find every ZIP code within 10 miles of 50628 →
Questions about this ZIP code
Where is ZIP code 50628?
50628 is in Elma, Iowa, in Howard County. Its published point location is 43.2727, -92.3940.
What county is 50628 in?
50628 spans 2 counties: Howard County and Mitchell County. Most of it falls in Howard 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 50628?
Elma uses area code 641, from NANPA's telephone records.
What time zone is 50628 in?
50628 uses America/Chicago.
How many people live in 50628?
About 1,423 people live in ZIP code 50628, in 564 households, at 12.6 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 50628?
$68,750 a year, against $75,059 across Iowa.
What ZIP codes are near 50628?
The closest are 50603 (6.6 mi), 50466 (10.7 mi), 50661 (10.8 mi), 52155 (10.9 mi) and 50659 (12.7 mi).
Is 50628 a PO Box ZIP code?
50628 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50628 ZIP Code — Elma, Iowa (Howard County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50628
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50628.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.