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Where 51238 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 51238 into a pocket calculator and turn it upside down: BEZIS — not quite a word, sorry.
- ➕ As a number, 51,238 = 2 × 11 × 17 × 137. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100000100110 - 🏠 Its numerical neighbours: 51237 (George, IA, 19 mi away) and 51239 (Hull, IA, 16 mi away).
- 🔄 Backwards, 51238 becomes 83215 — and that is a real ZIP code: Atomic City, ID, 850 miles away.
- 👥 57 other ZIP codes are made of exactly the same digits (12538, 12583, 12835, 12853, 13825, 15238, …). The farthest-flung twin is 32815 in Orlando, FL, 1,326 miles away.
- 🧭 Farther north than 83% of all ZIP codes, and farther west than 71%.
- 🎯264 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51238 and you would come out at 43.07°S, 84.11°E — 791 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
- 📏 At 49.2 square miles of land, 51238 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,502This ZIP1,502 |
|---|---|
| Households | 556This ZIP556 |
| Housing units | 566This ZIP566 |
| Median age | 36.9This ZIP36.9Iowa38.6US 38.9 |
| Median household income | $74,000This ZIP$74,000Iowa$75,059US $80,734 |
| Median home value | $182,500This ZIP$182,500Iowa$208,000US $332,700 |
| Median gross rent | $684This ZIP$684Iowa$972US $1,413 |
| Bachelor's degree or higher | 21.3%This ZIP21.3% |
| Mean commute | 14.9 minThis ZIP14.9 min |
| Population density | 30.5 / sq miThis ZIP30.5 / sq mi |
Business and tax activity
| Business establishments | 38This ZIP38 |
|---|---|
| Employees | 895This ZIP895 |
| Annual payroll | $48,724,000This ZIP$48,724,000 |
| Tax returns filed | 560This ZIP560 |
| Total adjusted gross income | $58,476,000This ZIP$58,476,000 |
Land area
| Land area | 49.17 sq miThis ZIP49.17 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Counties 51238 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sioux County | 67.7% |
| O'Brien County | 32.3% |
Other place names in 51238
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51238
| ZIP | City | Distance |
|---|---|---|
51022 | Granville, IA | 7.0 mi |
51003 | Alton, IA | 7.5 mi |
51201 | Sheldon, IA | 7.6 mi |
51231 | Archer, IA | 7.9 mi |
51041 | Orange City, IA | 9.9 mi |
51234 | Boyden, IA | 10.4 mi |
51244 | Matlock, IA | 11.9 mi |
51046 | Paullina, IA | 13.3 mi |
51245 | Primghar, IA | 14.7 mi |
51248 | Sanborn, IA | 14.8 mi |
Find every ZIP code within 10 miles of 51238 →
Questions about this ZIP code
Where is ZIP code 51238?
51238 is in Hospers, Iowa, in Sioux County. Its published point location is 43.0744, -95.8924.
What county is 51238 in?
51238 spans 2 counties: Sioux County and O'Brien County. Most of it falls in Sioux 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 51238?
Hospers uses area code 712, from NANPA's telephone records.
What time zone is 51238 in?
51238 uses America/Chicago.
How many people live in 51238?
About 1,502 people live in ZIP code 51238, in 556 households, at 30.5 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 51238?
$74,000 a year, against $75,059 across Iowa.
What ZIP codes are near 51238?
The closest are 51022 (7 mi), 51003 (7.5 mi), 51201 (7.6 mi), 51231 (7.9 mi) and 51041 (9.9 mi).
Is 51238 a PO Box ZIP code?
51238 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51238 ZIP Code — Hospers, Iowa (Sioux County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51238
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51238.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.