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Where 51248 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 51248 into a pocket calculator and turn it upside down: BhZIS — not quite a word, sorry.
- ➕ As a number, 51,248 = 2 × 2 × 2 × 2 × 3203. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100000110000 - 🏠 Its numerical neighbours: 51247 (Rock Valley, IA, 34 mi away) and 51249 (Sibley, IA, 14 mi away).
- 🔄 Backwards, 51248 becomes 84215, which is not a ZIP code at all.
- 👥 50 other ZIP codes are made of exactly the same digits (12458, 12485, 12548, 12584, 12845, 12854, …). The farthest-flung twin is 28541 in Jacksonville, NC, 1,141 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther west than 70%.
- 🎯278 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51248 and you would come out at 43.20°S, 84.34°E — 795 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 79.2 square miles of land, 51248 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,534This ZIP1,534 |
|---|---|
| Households | 686This ZIP686 |
| Housing units | 702This ZIP702 |
| Median age | 47.4This ZIP47.4Iowa38.6US 38.9 |
| Median household income | $64,375This ZIP$64,375Iowa$75,059US $80,734 |
| Median home value | $172,800This ZIP$172,800Iowa$208,000US $332,700 |
| Median gross rent | $954This ZIP$954Iowa$972US $1,413 |
| Bachelor's degree or higher | 20.8%This ZIP20.8% |
| Mean commute | 19.9 minThis ZIP19.9 min |
| Population density | 19.4 / sq miThis ZIP19.4 / sq mi |
Business and tax activity
| Business establishments | 54This ZIP54 |
|---|---|
| Employees | 530This ZIP530 |
| Annual payroll | $21,918,000This ZIP$21,918,000 |
| Tax returns filed | 830This ZIP830 |
| Total adjusted gross income | $67,932,000This ZIP$67,932,000 |
Land area
| Land area | 79.15 sq miThis ZIP79.15 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Counties 51248 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| O'Brien County | 89.8% |
| Osceola County | 10.2% |
Other place names in 51248
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51248
| ZIP | City | Distance |
|---|---|---|
51350 | Melvin, IA | 7.8 mi |
51231 | Archer, IA | 8.0 mi |
51245 | Primghar, IA | 9.2 mi |
51232 | Ashton, IA | 9.8 mi |
51346 | Hartley, IA | 10.4 mi |
51201 | Sheldon, IA | 10.5 mi |
51244 | Matlock, IA | 14.1 mi |
51249 | Sibley, IA | 14.5 mi |
51238 | Hospers, IA | 14.8 mi |
51354 | Ocheyedan, IA | 15.5 mi |
Find every ZIP code within 10 miles of 51248 →
Questions about this ZIP code
Where is ZIP code 51248?
51248 is in Sanborn, Iowa, in O'Brien County. Its published point location is 43.2044, -95.6591.
What county is 51248 in?
51248 spans 2 counties: O'Brien County and Osceola County. Most of it falls in O'Brien 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 51248?
Sanborn uses area code 712, from NANPA's telephone records.
What time zone is 51248 in?
51248 uses America/Chicago.
How many people live in 51248?
About 1,534 people live in ZIP code 51248, in 686 households, at 19.4 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 51248?
$64,375 a year, against $75,059 across Iowa.
What ZIP codes are near 51248?
The closest are 51350 (7.8 mi), 51231 (8 mi), 51245 (9.2 mi), 51232 (9.8 mi) and 51346 (10.4 mi).
Is 51248 a PO Box ZIP code?
51248 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51248 ZIP Code — Sanborn, Iowa (O'Brien County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51248
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51248.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.