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Where 50258 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 50258 into a pocket calculator and turn it upside down: BSZOS — not quite a word, sorry.
- ➕ As a number, 50,258 = 2 × 13 × 1933. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010001010010 - 🏠 Its numerical neighbours: 50257 (Truro, IA, 83 mi away) and 50259 (Gifford, IA, 14 mi away).
- 🔄 Backwards, 50258 becomes 85205 — and that is a real ZIP code: Mesa, AZ, 1,181 miles away.
- 👥 25 other ZIP codes are made of exactly the same digits (02558, 05825, 08525, 20585, 20855, 25085, …). The farthest-flung twin is 85025 in Phoenix, AZ, 1,197 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 63%.
- 🎯331 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50258 and you would come out at 42.22°S, 86.93°E — 940 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
- 📏 At 54.0 square miles of land, 50258 is bigger than 62% of ZIP codes — room for about 41 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 958This ZIP958 |
|---|---|
| Households | 405This ZIP405 |
| Housing units | 456This ZIP456 |
| Median age | 50.8This ZIP50.8Iowa38.6US 38.9 |
| Median household income | $83,988This ZIP$83,988Iowa$75,059US $80,734 |
| Median home value | $109,800This ZIP$109,800Iowa$208,000US $332,700 |
| Median gross rent | $900This ZIP$900Iowa$972US $1,413 |
| Bachelor's degree or higher | 39.9%This ZIP39.9% |
| Mean commute | 16.4 minThis ZIP16.4 min |
| Population density | 17.8 / sq miThis ZIP17.8 / sq mi |
Business and tax activity
| Business establishments | 16This ZIP16 |
|---|---|
| Employees | 121This ZIP121 |
| Annual payroll | $7,163,000This ZIP$7,163,000 |
| Tax returns filed | 340This ZIP340 |
| Total adjusted gross income | $23,377,000This ZIP$23,377,000 |
Land area
| Land area | 53.97 sq miThis ZIP53.97 sq mi |
|---|---|
| Water area | 0.18 sq miThis ZIP0.18 sq mi |
Counties 50258 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Hardin County | 71.4% |
| Marshall County | 28.6% |
Other place names in 50258
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50258
| ZIP | City | Distance |
|---|---|---|
50269 | Whitten, IA | 4.2 mi |
50148 | Liscomb, IA | 4.9 mi |
50005 | Albion, IA | 6.7 mi |
50206 | New Providence, IA | 6.8 mi |
50051 | Clemons, IA | 7.1 mi |
50621 | Conrad, IA | 8.0 mi |
50239 | Saint Anthony, IA | 8.7 mi |
50627 | Eldora, IA | 8.8 mi |
50278 | Zearing, IA | 12.6 mi |
50122 | Hubbard, IA | 13.1 mi |
Find every ZIP code within 10 miles of 50258 →
Questions about this ZIP code
Where is ZIP code 50258?
50258 is in Union, Iowa, in Hardin County. Its published point location is 42.2241, -93.0731.
What county is 50258 in?
50258 spans 2 counties: Hardin County and Marshall County. Most of it falls in Hardin 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 50258?
Union uses area code 641, from NANPA's telephone records.
What time zone is 50258 in?
50258 uses America/Chicago.
How many people live in 50258?
About 958 people live in ZIP code 50258, in 405 households, at 17.8 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 50258?
$83,988 a year, against $75,059 across Iowa.
What ZIP codes are near 50258?
The closest are 50269 (4.2 mi), 50148 (4.9 mi), 50005 (6.7 mi), 50206 (6.8 mi) and 50051 (7.1 mi).
Is 50258 a PO Box ZIP code?
50258 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50258 ZIP Code — Union, Iowa (Hardin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50258
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50258.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.