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Where 51570 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 51570 into a pocket calculator and turn it upside down: OLSIS — not quite a word, sorry.
- ➕ As a number, 51,570 = 2 × 3 × 3 × 3 × 5 × 191. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100101110010 - 🏠 Its numerical neighbours: 51566 (Red Oak, IA, 37 mi away) and 51571 (Silver City, IA, 28 mi away).
- 🔄 Backwards, 51570 becomes 07515, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (05751, 15057, 15075, 15705, 15750, 17055, …). The farthest-flung twin is 05751 in Killington, VT, 1,159 miles away.
- 🧭 Farther north than 71% of all ZIP codes, and farther west than 70%.
- 🎯201 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51570 and you would come out at 41.53°S, 84.53°E — 877 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
- 📏 At 63.4 square miles of land, 51570 is bigger than 66% of ZIP codes — room for about 48 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,118This ZIP1,118 |
|---|---|
| Households | 499This ZIP499 |
| Housing units | 555This ZIP555 |
| Median age | 38.6This ZIP38.6Iowa38.6US 38.9 |
| Median household income | $77,708This ZIP$77,708Iowa$75,059US $80,734 |
| Median home value | $204,700This ZIP$204,700Iowa$208,000US $332,700 |
| Median gross rent | $840This ZIP$840Iowa$972US $1,413 |
| Bachelor's degree or higher | 13.8%This ZIP13.8% |
| Mean commute | 30.0 minThis ZIP30.0 min |
| Population density | 17.6 / sq miThis ZIP17.6 / sq mi |
Business and tax activity
| Business establishments | 34This ZIP34 |
|---|---|
| Employees | 966This ZIP966 |
| Annual payroll | $49,039,000This ZIP$49,039,000 |
| Tax returns filed | 530This ZIP530 |
| Total adjusted gross income | $37,681,000This ZIP$37,681,000 |
Land area
| Land area | 63.42 sq miThis ZIP63.42 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Counties 51570 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Shelby County | 53.5% |
| Pottawattamie County | 33.0% |
| Harrison County | 13.6% |
Other place names in 51570
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51570
| ZIP | City | Distance |
|---|---|---|
51593 | Harlan, IA | 5.7 mi |
51563 | Persia, IA | 6.9 mi |
51521 | Avoca, IA | 6.9 mi |
51565 | Portsmouth, IA | 8.5 mi |
51553 | Minden, IA | 8.9 mi |
51559 | Neola, IA | 10.5 mi |
51536 | Hancock, IA | 11.0 mi |
51537 | Harlan, IA | 12.1 mi |
51562 | Panama, IA | 13.7 mi |
51578 | Westphalia, IA | 13.8 mi |
Find every ZIP code within 10 miles of 51570 →
Questions about this ZIP code
Where is ZIP code 51570?
51570 is in Shelby, Iowa, in Shelby County. Its published point location is 41.5277, -95.4655.
What county is 51570 in?
51570 spans 3 counties: Shelby County, Pottawattamie County and Harrison County. Most of it falls in Shelby 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 51570?
Shelby uses area code 712, from NANPA's telephone records.
What time zone is 51570 in?
51570 uses America/Chicago.
How many people live in 51570?
About 1,118 people live in ZIP code 51570, in 499 households, at 17.6 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 51570?
$77,708 a year, against $75,059 across Iowa.
What ZIP codes are near 51570?
The closest are 51593 (5.7 mi), 51563 (6.9 mi), 51521 (6.9 mi), 51565 (8.5 mi) and 51553 (8.9 mi).
Is 51570 a PO Box ZIP code?
51570 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51570 ZIP Code — Shelby, Iowa (Shelby County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51570
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51570.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.