50579
ZIP 50579 is Rockwell City, Iowa, in Calhoun County; area code 712; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Calhoun
- Metro area
- none
- Population
- 3,034
- Coordinates
- 42.3938, -94.6342
Weather right now
Asking the National Weather Service…
Where 50579 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 50579 into a pocket calculator and turn it upside down: GLSOS — not quite a word, sorry.
- ➕ As a number, 50,579 = 37 × 1367. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010110010011 - 🏠 Its numerical neighbours: 50578 (Ringsted, IA, 63 mi away) and 50581 (Rolfe, IA, 31 mi away).
- 🔄 Backwards, 50579 becomes 97505, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (05759, 50597, 55079, 55709, 55790, 55970, …). The farthest-flung twin is 95570 in Trinidad, CA, 1,513 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther west than 67%.
- 🎯271 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50579 and you would come out at 42.39°S, 85.37°E — 870 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 04m.
- 📏 At 140.6 square miles of land, 50579 is bigger than 85% of ZIP codes — room for about 107 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,034This ZIP3,034 |
|---|---|
| Households | 1,085This ZIP1,085 |
| Housing units | 1,364This ZIP1,364 |
| Median age | 42.2This ZIP42.2Iowa38.6US 38.9 |
| Median household income | $61,108This ZIP$61,108Iowa$75,059US $80,734 |
| Median home value | $126,000This ZIP$126,000Iowa$208,000US $332,700 |
| Median gross rent | $777This ZIP$777Iowa$972US $1,413 |
| Bachelor's degree or higher | 19.1%This ZIP19.1% |
| Mean commute | 22.7 minThis ZIP22.7 min |
| Population density | 21.6 / sq miThis ZIP21.6 / sq mi |
Business and tax activity
| Business establishments | 77This ZIP77 |
|---|---|
| Employees | 378This ZIP378 |
| Annual payroll | $14,896,000This ZIP$14,896,000 |
| Tax returns filed | 1,100This ZIP1,100 |
| Total adjusted gross income | $81,354,000This ZIP$81,354,000 |
Land area
| Land area | 140.59 sq miThis ZIP140.59 sq mi |
|---|---|
| Water area | 1.29 sq miThis ZIP1.29 sq mi |
Other place names in 50579
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50579
| ZIP | City | Distance |
|---|---|---|
50551 | Jolley, IA | 8.7 mi |
50552 | Knierim, IA | 9.8 mi |
51453 | Lohrville, IA | 10.2 mi |
51449 | Lake City, IA | 10.2 mi |
50586 | Somers, IA | 10.7 mi |
50563 | Manson, IA | 10.8 mi |
50561 | Lytton, IA | 11.2 mi |
50575 | Pomeroy, IA | 11.9 mi |
50538 | Farnhamville, IA | 12.8 mi |
51451 | Lanesboro, IA | 14.8 mi |
Find every ZIP code within 10 miles of 50579 →
Questions about this ZIP code
Where is ZIP code 50579?
50579 is in Rockwell City, Iowa, in Calhoun County. Its published point location is 42.3938, -94.6342.
What county is 50579 in?
50579 lies in Calhoun County.
What area code is 50579?
Rockwell City uses area code 712, from NANPA's telephone records.
What time zone is 50579 in?
50579 uses America/Chicago.
How many people live in 50579?
About 3,034 people live in ZIP code 50579, in 1,085 households, at 21.6 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 50579?
$61,108 a year, against $75,059 across Iowa.
What ZIP codes are near 50579?
The closest are 50551 (8.7 mi), 50552 (9.8 mi), 51453 (10.2 mi), 51449 (10.2 mi) and 50586 (10.7 mi).
Is 50579 a PO Box ZIP code?
50579 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50579 ZIP Code — Rockwell City, Iowa (Calhoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50579
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50579.json Underlying data is public domain or openly licensed — sources, vintages and licences.