Weather right now
Asking the National Weather Service…
Where 51241 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 51241 into a pocket calculator and turn it upside down: IhZIS — not quite a word, sorry.
- ➕ 51241 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100000101001 - 🏠 Its numerical neighbours: 51240 (Inwood, IA, 10 mi away) and 51242 (Lester, IA, 6 mi away).
- 🔄 Backwards, 51241 becomes 14215 — and that is a real ZIP code: Buffalo, NY, 888 miles away.
- 👥 33 other ZIP codes are made of exactly the same digits (11245, 11425, 11542, 12154, 12451, 12514, …). The farthest-flung twin is 11542 in Glen Cove, NY, 1,179 miles away.
- 🧭 Farther north than 85% of all ZIP codes, and farther west than 72%.
- 🎯273 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51241 and you would come out at 43.45°S, 83.54°E — 753 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
- 📏 At 89.6 square miles of land, 51241 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,103This ZIP2,103 |
|---|---|
| Households | 825This ZIP825 |
| Housing units | 908This ZIP908 |
| Median age | 34.9This ZIP34.9Iowa38.6US 38.9 |
| Median household income | $87,446This ZIP$87,446Iowa$75,059US $80,734 |
| Median home value | $280,600This ZIP$280,600Iowa$208,000US $332,700 |
| Median gross rent | $864This ZIP$864Iowa$972US $1,413 |
| Bachelor's degree or higher | 25.1%This ZIP25.1% |
| Mean commute | 23.6 minThis ZIP23.6 min |
| Population density | 23.5 / sq miThis ZIP23.5 / sq mi |
Business and tax activity
| Business establishments | 58This ZIP58 |
|---|---|
| Employees | 885This ZIP885 |
| Annual payroll | $36,267,000This ZIP$36,267,000 |
| Tax returns filed | 890This ZIP890 |
| Total adjusted gross income | $78,832,000This ZIP$78,832,000 |
Land area
| Land area | 89.61 sq miThis ZIP89.61 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 51241
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51241
| ZIP | City | Distance |
|---|---|---|
51242 | Lester, IA | 6.3 mi |
56138 | Hills, MN | 7.2 mi |
57068 | Valley Springs, SD | 8.6 mi |
51230 | Alvord, IA | 9.6 mi |
51240 | Inwood, IA | 9.8 mi |
57110 | Sioux Falls, SD | 10.9 mi |
57032 | Harrisburg, SD | 11.0 mi |
57005 | Brandon, SD | 11.7 mi |
56173 | Steen, MN | 12.1 mi |
57108 | Sioux Falls, SD | 12.3 mi |
Find every ZIP code within 10 miles of 51241 →
Questions about this ZIP code
Where is ZIP code 51241?
51241 is in Larchwood, Iowa, in Lyon County. Its published point location is 43.4512, -96.4617.
What county is 51241 in?
51241 lies in Lyon County.
What area code is 51241?
Larchwood uses area code 712, from NANPA's telephone records.
What time zone is 51241 in?
51241 uses America/Chicago.
How many people live in 51241?
About 2,103 people live in ZIP code 51241, in 825 households, at 23.5 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 51241?
$87,446 a year, against $75,059 across Iowa.
What ZIP codes are near 51241?
The closest are 51242 (6.3 mi), 56138 (7.2 mi), 57068 (8.6 mi), 51230 (9.6 mi) and 51240 (9.8 mi).
Is 51241 a PO Box ZIP code?
51241 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51241 ZIP Code — Larchwood, Iowa (Lyon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51241
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51241.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.