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Where 51558 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 51558 into a pocket calculator and turn it upside down: BSSIS — not quite a word, sorry.
- ➕ As a number, 51,558 = 2 × 3 × 13 × 661. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100101100110 - 🏠 Its numerical neighbours: 51557 (Mondamin, IA, 14 mi away) and 51559 (Neola, IA, 34 mi away).
- 🔄 Backwards, 51558 becomes 85515, which is not a ZIP code at all.
- 👥 3 other ZIP codes are made of exactly the same digits (15558, 55815, 85551). The farthest-flung twin is 85551 in Solomon, AZ, 981 miles away.
- 🧭 Farther north than 75% of all ZIP codes, and farther west than 71%.
- 🎯202 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51558 and you would come out at 41.92°S, 84.12°E — 843 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 14m of daylight. Shortest: 9h 07m.
- 📏 At 84.9 square miles of land, 51558 is bigger than 74% of ZIP codes — room for about 64 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 549This ZIP549 |
|---|---|
| Households | 217This ZIP217 |
| Housing units | 278This ZIP278 |
| Median age | 43.6This ZIP43.6Iowa38.6US 38.9 |
| Median household income | $77,417This ZIP$77,417Iowa$75,059US $80,734 |
| Median home value | $100,000This ZIP$100,000Iowa$208,000US $332,700 |
| Median gross rent | $1,016This ZIP$1,016Iowa$972US $1,413 |
| Bachelor's degree or higher | 20.2%This ZIP20.2% |
| Mean commute | 26.9 minThis ZIP26.9 min |
| Population density | 6.5 / sq miThis ZIP6.5 / sq mi |
Business and tax activity
| Business establishments | 10This ZIP10 |
|---|---|
| Employees | 59This ZIP59 |
| Annual payroll | $3,244,000This ZIP$3,244,000 |
| Tax returns filed | 230This ZIP230 |
| Total adjusted gross income | $17,492,000This ZIP$17,492,000 |
Land area
| Land area | 84.87 sq miThis ZIP84.87 sq mi |
|---|---|
| Water area | 0.18 sq miThis ZIP0.18 sq mi |
Counties 51558 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Monona County | 90.8% |
| Harrison County | 9.2% |
Other place names in 51558
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51558
| ZIP | City | Distance |
|---|---|---|
51572 | Soldier, IA | 6.0 mi |
51564 | Pisgah, IA | 7.7 mi |
51545 | Little Sioux, IA | 8.2 mi |
51523 | Blencoe, IA | 9.6 mi |
51040 | Onawa, IA | 12.6 mi |
51529 | Dunlap, IA | 12.8 mi |
51010 | Castana, IA | 12.9 mi |
51060 | Ute, IA | 13.3 mi |
51579 | Woodbine, IA | 13.5 mi |
51557 | Mondamin, IA | 14.2 mi |
Find every ZIP code within 10 miles of 51558 →
Questions about this ZIP code
Where is ZIP code 51558?
51558 is in Moorhead, Iowa, in Monona County. Its published point location is 41.9159, -95.8806.
What county is 51558 in?
51558 spans 2 counties: Monona County and Harrison County. Most of it falls in Monona 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 51558?
Moorhead uses area code 712, from NANPA's telephone records.
What time zone is 51558 in?
51558 uses America/Chicago.
How many people live in 51558?
About 549 people live in ZIP code 51558, in 217 households, at 6.5 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 51558?
$77,417 a year, against $75,059 across Iowa.
What ZIP codes are near 51558?
The closest are 51572 (6 mi), 51564 (7.7 mi), 51545 (8.2 mi), 51523 (9.6 mi) and 51040 (12.6 mi).
Is 51558 a PO Box ZIP code?
51558 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51558 ZIP Code — Moorhead, Iowa (Monona County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51558
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51558.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.