50538
ZIP 50538 is Farnhamville, Iowa, mostly in Calhoun County; area code 515; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Calhoun +1 more
- Metro area
- none
- Population
- 661
- Coordinates
- 42.2839, -94.4319
Weather right now
Asking the National Weather Service…
Where 50538 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 50538 into a pocket calculator and turn it upside down: BESOS — not quite a word, sorry.
- ➕ As a number, 50,538 = 2 × 3 × 8423. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010101101010 - 🏠 Its numerical neighbours: 50536 (Emmetsburg, IA, 59 mi away) and 50539 (Fenton, IA, 66 mi away).
- 🔄 Backwards, 50538 becomes 83505, which is not a ZIP code at all.
- 👥 38 other ZIP codes are made of exactly the same digits (03585, 03855, 05358, 05853, 08535, 08553, …). The farthest-flung twin is 85350 in Somerton, AZ, 1,294 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther west than 67%.
- 🎯275 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50538 and you would come out at 42.28°S, 85.57°E — 883 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 05m.
- 📏 At 35.5 square miles of land, 50538 is bigger than 50% of ZIP codes — room for about 27 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 661This ZIP661 |
|---|---|
| Households | 275This ZIP275 |
| Housing units | 288This ZIP288 |
| Median age | 38.9This ZIP38.9Iowa38.6US 38.9 |
| Median household income | $62,344This ZIP$62,344Iowa$75,059US $80,734 |
| Median home value | $94,000This ZIP$94,000Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 10.9%This ZIP10.9% |
| Mean commute | 22.3 minThis ZIP22.3 min |
| Population density | 18.6 / sq miThis ZIP18.6 / sq mi |
Business and tax activity
| Business establishments | 12This ZIP12 |
|---|---|
| Employees | 52This ZIP52 |
| Annual payroll | $3,231,000This ZIP$3,231,000 |
| Tax returns filed | 250This ZIP250 |
| Total adjusted gross income | $15,031,000This ZIP$15,031,000 |
Land area
| Land area | 35.53 sq miThis ZIP35.53 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Counties 50538 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Calhoun County | 93.0% |
| Webster County | 7.0% |
Other place names in 50538
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50538
| ZIP | City | Distance |
|---|---|---|
51453 | Lohrville, IA | 6.0 mi |
50543 | Gowrie, IA | 6.4 mi |
50586 | Somers, IA | 8.8 mi |
50523 | Callender, IA | 9.1 mi |
50050 | Churdan, IA | 9.4 mi |
50217 | Paton, IA | 11.5 mi |
50566 | Moorland, IA | 12.0 mi |
50552 | Knierim, IA | 12.0 mi |
50579 | Rockwell City, IA | 12.8 mi |
50544 | Harcourt, IA | 13.5 mi |
Find every ZIP code within 10 miles of 50538 →
Questions about this ZIP code
Where is ZIP code 50538?
50538 is in Farnhamville, Iowa, in Calhoun County. Its published point location is 42.2839, -94.4319.
What county is 50538 in?
50538 spans 2 counties: Calhoun County and Webster County. Most of it falls in Calhoun 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 50538?
Farnhamville uses area code 515, from NANPA's telephone records.
What time zone is 50538 in?
50538 uses America/Chicago.
How many people live in 50538?
About 661 people live in ZIP code 50538, in 275 households, at 18.6 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 50538?
$62,344 a year, against $75,059 across Iowa.
What ZIP codes are near 50538?
The closest are 51453 (6 mi), 50543 (6.4 mi), 50586 (8.8 mi), 50523 (9.1 mi) and 50050 (9.4 mi).
Is 50538 a PO Box ZIP code?
50538 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50538 ZIP Code — Farnhamville, Iowa (Calhoun County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50538
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50538.json Underlying data is public domain or openly licensed — sources, vintages and licences.