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Where 50140 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 50140 into a pocket calculator and turn it upside down: OhIOS — not quite a word, sorry.
- ➕ As a number, 50,140 = 2 × 2 × 5 × 23 × 109. Its digits add up to 10, a total 513 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100001111011100 - 🏠 Its numerical neighbours: 50139 (Lacona, IA, 51 mi away) and 50141 (Laurel, IA, 101 mi away).
- 🔄 Backwards, 50140 becomes 04105 — and that is a real ZIP code: Falmouth, ME, 1,229 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (01054, 01450, 01504, 01540, 04015, 04051, …). The farthest-flung twin is 04105 in Falmouth, ME, 1,229 miles away.
- 🧭 Farther north than 62% of all ZIP codes, and farther west than 66%.
- 🎯248 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50140 and you would come out at 40.63°S, 86.01°E — 975 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
- 📏 At 92.7 square miles of land, 50140 is bigger than 76% of ZIP codes — room for about 70 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,842This ZIP2,842 |
|---|---|
| Households | 987This ZIP987 |
| Housing units | 1,112This ZIP1,112 |
| Median age | 30.3This ZIP30.3Iowa38.6US 38.9 |
| Median household income | $57,443This ZIP$57,443Iowa$75,059US $80,734 |
| Median home value | $121,900This ZIP$121,900Iowa$208,000US $332,700 |
| Median gross rent | $684This ZIP$684Iowa$972US $1,413 |
| Bachelor's degree or higher | 44.6%This ZIP44.6% |
| Mean commute | 14.4 minThis ZIP14.4 min |
| Population density | 30.7 / sq miThis ZIP30.7 / sq mi |
Business and tax activity
| Business establishments | 67This ZIP67 |
|---|---|
| Employees | 1,091This ZIP1,091 |
| Annual payroll | $30,529,000This ZIP$30,529,000 |
| Tax returns filed | 890This ZIP890 |
| Total adjusted gross income | $46,967,000This ZIP$46,967,000 |
Land area
| Land area | 92.67 sq miThis ZIP92.67 sq mi |
|---|---|
| Water area | 0.78 sq miThis ZIP0.78 sq mi |
Counties 50140 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Decatur County | 69.2% |
| Ringgold County | 30.8% |
Other place names in 50140
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50140
| ZIP | City | Distance |
|---|---|---|
50067 | Decatur, IA | 7.1 mi |
50133 | Kellerton, IA | 7.5 mi |
64442 | Eagleville, MO | 9.5 mi |
64426 | Blythedale, MO | 10.7 mi |
64458 | Hatfield, MO | 11.5 mi |
50065 | Davis City, IA | 11.6 mi |
50854 | Mount Ayr, IA | 11.9 mi |
50108 | Grand River, IA | 13.3 mi |
50144 | Leon, IA | 15.1 mi |
64632 | Cainsville, MO | 16.5 mi |
Find every ZIP code within 10 miles of 50140 →
Questions about this ZIP code
Where is ZIP code 50140?
50140 is in Lamoni, Iowa, in Decatur County. Its published point location is 40.6341, -93.9933.
What county is 50140 in?
50140 spans 2 counties: Decatur County and Ringgold County. Most of it falls in Decatur 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 50140?
Lamoni uses area code 641, from NANPA's telephone records.
What time zone is 50140 in?
50140 uses America/Chicago.
How many people live in 50140?
About 2,842 people live in ZIP code 50140, in 987 households, at 30.7 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 50140?
$57,443 a year, against $75,059 across Iowa.
What ZIP codes are near 50140?
The closest are 50067 (7.1 mi), 50133 (7.5 mi), 64442 (9.5 mi), 64426 (10.7 mi) and 64458 (11.5 mi).
Is 50140 a PO Box ZIP code?
50140 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50140 ZIP Code — Lamoni, Iowa (Decatur County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50140
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50140.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.