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Where 50112 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 50112 into a pocket calculator and turn it upside down: ZIIOS — not quite a word, sorry.
- ➕ As a number, 50,112 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 29. Its digits add up to 9, a total 375 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100001111000000 - 🏠 Its numerical neighbours: 50111 (Grimes, IA, 56 mi away) and 50115 (Guthrie Center, IA, 95 mi away).
- 🔄 Backwards, 50112 becomes 21105 — and that is a real ZIP code: Maryland Line, MD, 851 miles away.
- 👥 37 other ZIP codes are made of exactly the same digits (01152, 01521, 02115, 02151, 10125, 10152, …). The farthest-flung twin is 02151 in Revere, MA, 1,111 miles away.
- 🧭 Farther north than 73% of all ZIP codes, and farther west than 63%.
- 🎯334 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50112 and you would come out at 41.73°S, 87.29°E — 976 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
- 📏 At 182.2 square miles of land, 50112 is bigger than 89% of ZIP codes — room for about 138 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 11,862This ZIP11,862 |
|---|---|
| Households | 4,671This ZIP4,671 |
| Housing units | 5,025This ZIP5,025 |
| Median age | 38.5This ZIP38.5Iowa38.6US 38.9 |
| Median household income | $67,078This ZIP$67,078Iowa$75,059US $80,734 |
| Median home value | $214,900This ZIP$214,900Iowa$208,000US $332,700 |
| Median gross rent | $894This ZIP$894Iowa$972US $1,413 |
| Bachelor's degree or higher | 35.0%This ZIP35.0% |
| Mean commute | 15.6 minThis ZIP15.6 min |
| Population density | 65.1 / sq miThis ZIP65.1 / sq mi |
Business and tax activity
| Business establishments | 338This ZIP338 |
|---|---|
| Employees | 7,582This ZIP7,582 |
| Annual payroll | $357,217,000This ZIP$357,217,000 |
| Tax returns filed | 4,790This ZIP4,790 |
| Total adjusted gross income | $375,079,000This ZIP$375,079,000 |
Land area
| Land area | 182.21 sq miThis ZIP182.21 sq mi |
|---|---|
| Water area | 0.27 sq miThis ZIP0.27 sq mi |
Counties 50112 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Poweshiek County | 74.1% |
| Jasper County | 25.9% |
Other place names in 50112
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50112
| ZIP | City | Distance |
|---|---|---|
50157 | Malcom, IA | 7.7 mi |
50135 | Kellogg, IA | 9.5 mi |
50106 | Gilman, IA | 11.3 mi |
50242 | Searsboro, IA | 11.9 mi |
50153 | Lynnville, IA | 12.0 mi |
52211 | Brooklyn, IA | 13.6 mi |
50137 | Killduff, IA | 13.8 mi |
50251 | Sully, IA | 14.1 mi |
50171 | Montezuma, IA | 14.1 mi |
52339 | Tama, IA | 14.9 mi |
Find every ZIP code within 10 miles of 50112 →
Questions about this ZIP code
Where is ZIP code 50112?
50112 is in Grinnell, Iowa, in Poweshiek County. Its published point location is 41.7334, -92.7127.
What county is 50112 in?
50112 spans 2 counties: Poweshiek County and Jasper County. Most of it falls in Poweshiek 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 50112?
Grinnell uses area code 641, from NANPA's telephone records.
What time zone is 50112 in?
50112 uses America/Chicago.
How many people live in 50112?
About 11,862 people live in ZIP code 50112, in 4,671 households, at 65.1 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 50112?
$67,078 a year, against $75,059 across Iowa.
What ZIP codes are near 50112?
The closest are 50157 (7.7 mi), 50135 (9.5 mi), 50106 (11.3 mi), 50242 (11.9 mi) and 50153 (12 mi).
Is 50112 a PO Box ZIP code?
50112 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50112 ZIP Code — Grinnell, Iowa (Poweshiek County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50112
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50112.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.