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Where 51022 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 51022 into a pocket calculator and turn it upside down: ZZOIS — not quite a word, sorry.
- ➕ As a number, 51,022 = 2 × 97 × 263. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011101001110 - 🏠 Its numerical neighbours: 51020 (Galva, IA, 39 mi away) and 51023 (Hawarden, IA, 31 mi away).
- 🔄 Backwards, 51022 becomes 22015 — and that is a real ZIP code: Burke, VA, 1,010 miles away.
- 👥 35 other ZIP codes are made of exactly the same digits (01225, 01252, 01522, 02125, 02152, 02215, …). The farthest-flung twin is 02152 in Winthrop, MA, 1,259 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 71%.
- 🎯260 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51022 and you would come out at 42.98°S, 84.15°E — 797 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 76.2 square miles of land, 51022 is bigger than 71% of ZIP codes — room for about 58 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 960This ZIP960 |
|---|---|
| Households | 385This ZIP385 |
| Housing units | 397This ZIP397 |
| Median age | 45.7This ZIP45.7Iowa38.6US 38.9 |
| Median household income | $96,505This ZIP$96,505Iowa$75,059US $80,734 |
| Median home value | $174,800This ZIP$174,800Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 19.5%This ZIP19.5% |
| Mean commute | 13.2 minThis ZIP13.2 min |
| Population density | 12.6 / sq miThis ZIP12.6 / sq mi |
Business and tax activity
| Business establishments | 17This ZIP17 |
|---|---|
| Employees | 76This ZIP76 |
| Annual payroll | $3,998,000This ZIP$3,998,000 |
| Tax returns filed | 330This ZIP330 |
| Total adjusted gross income | $31,582,000This ZIP$31,582,000 |
Land area
| Land area | 76.18 sq miThis ZIP76.18 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Counties 51022 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 | 57.9% |
| Sioux County | 39.5% |
| Plymouth County | 2.5% |
Other place names in 51022
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51022
| ZIP | City | Distance |
|---|---|---|
51238 | Hospers, IA | 7.0 mi |
51003 | Alton, IA | 7.1 mi |
51046 | Paullina, IA | 8.6 mi |
51231 | Archer, IA | 10.3 mi |
51041 | Orange City, IA | 12.0 mi |
51050 | Remsen, IA | 13.3 mi |
51035 | Marcus, IA | 13.8 mi |
51201 | Sheldon, IA | 14.1 mi |
51245 | Primghar, IA | 14.2 mi |
51037 | Meriden, IA | 14.8 mi |
Find every ZIP code within 10 miles of 51022 →
Questions about this ZIP code
Where is ZIP code 51022?
51022 is in Granville, Iowa, in O'Brien County. Its published point location is 42.9782, -95.8473.
What county is 51022 in?
51022 spans 3 counties: O'Brien County, Sioux County and Plymouth 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 51022?
Granville uses area code 712, from NANPA's telephone records.
What time zone is 51022 in?
51022 uses America/Chicago.
How many people live in 51022?
About 960 people live in ZIP code 51022, in 385 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 51022?
$96,505 a year, against $75,059 across Iowa.
What ZIP codes are near 51022?
The closest are 51238 (7 mi), 51003 (7.1 mi), 51046 (8.6 mi), 51231 (10.3 mi) and 51041 (12 mi).
Is 51022 a PO Box ZIP code?
51022 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51022 ZIP Code — Granville, Iowa (O'Brien County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51022
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51022.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.