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Where 51005 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 51005 into a pocket calculator and turn it upside down: SOOIS — not quite a word, sorry.
- ➕ As a number, 51,005 = 5 × 101 × 101. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011100111101 - 🏠 Its numerical neighbours: 51004 (Anthon, IA, 35 mi away) and 51006 (Battle Creek, IA, 30 mi away).
- 🔄 Backwards, 51005 becomes 50015, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (01505, 01550, 05051, 05150, 05501, 10055, …). The farthest-flung twin is 05501 in Andover, MA, 1,227 miles away.
- 🧭 Farther north than 81% of all ZIP codes, and farther west than 69%.
- 🎯259 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51005 and you would come out at 42.72°S, 84.58°E — 825 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
- 📏 At 94.3 square miles of land, 51005 is bigger than 76% of ZIP codes — room for about 72 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,561This ZIP1,561 |
|---|---|
| Households | 645This ZIP645 |
| Housing units | 733This ZIP733 |
| Median age | 48.1This ZIP48.1Iowa38.6US 38.9 |
| Median household income | $75,938This ZIP$75,938Iowa$75,059US $80,734 |
| Median home value | $169,200This ZIP$169,200Iowa$208,000US $332,700 |
| Median gross rent | $789This ZIP$789Iowa$972US $1,413 |
| Bachelor's degree or higher | 28.2%This ZIP28.2% |
| Mean commute | 18.0 minThis ZIP18.0 min |
| Population density | 16.6 / sq miThis ZIP16.6 / sq mi |
Business and tax activity
| Business establishments | 27This ZIP27 |
|---|---|
| Employees | 209This ZIP209 |
| Annual payroll | $9,631,000This ZIP$9,631,000 |
| Tax returns filed | 660This ZIP660 |
| Total adjusted gross income | $54,569,000This ZIP$54,569,000 |
Land area
| Land area | 94.25 sq miThis ZIP94.25 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Counties 51005 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Cherokee County | 86.1% |
| Buena Vista County | 13.9% |
Other place names in 51005
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51005
| ZIP | City | Distance |
|---|---|---|
51002 | Alta, IA | 5.3 mi |
51012 | Cherokee, IA | 7.3 mi |
50592 | Truesdale, IA | 12.0 mi |
51029 | Larrabee, IA | 12.8 mi |
51049 | Quimby, IA | 13.2 mi |
51037 | Meriden, IA | 13.4 mi |
50576 | Rembrandt, IA | 13.4 mi |
50588 | Storm Lake, IA | 13.9 mi |
51020 | Galva, IA | 14.4 mi |
51014 | Cleghorn, IA | 15.3 mi |
Find every ZIP code within 10 miles of 51005 →
Questions about this ZIP code
Where is ZIP code 51005?
51005 is in Aurelia, Iowa, in Cherokee County. Its published point location is 42.7236, -95.4188.
What county is 51005 in?
51005 spans 2 counties: Cherokee County and Buena Vista County. Most of it falls in Cherokee 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 51005?
Aurelia uses area code 712, from NANPA's telephone records.
What time zone is 51005 in?
51005 uses America/Chicago.
How many people live in 51005?
About 1,561 people live in ZIP code 51005, in 645 households, at 16.6 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 51005?
$75,938 a year, against $75,059 across Iowa.
What ZIP codes are near 51005?
The closest are 51002 (5.3 mi), 51012 (7.3 mi), 50592 (12 mi), 51029 (12.8 mi) and 51049 (13.2 mi).
Is 51005 a PO Box ZIP code?
51005 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51005 ZIP Code — Aurelia, Iowa (Cherokee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51005
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51005.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.