50158
ZIP 50158 is Marshalltown, Iowa, mostly in Marshall County; area code 641; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Marshall +1 more
- Metro area
- Marshalltown, IA
- Population
- 31,396
- Coordinates
- 42.0498, -92.9007
Weather right now
Asking the National Weather Service…
Where 50158 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 50158 into a pocket calculator and turn it upside down: BSIOS — not quite a word, sorry.
- ➕ As a number, 50,158 = 2 × 31 × 809. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100001111101110 - 🏠 Its numerical neighbours: 50157 (Malcom, IA, 28 mi away) and 50160 (Martensdale, IA, 64 mi away).
- 🔄 Backwards, 50158 becomes 85105, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (01585, 05158, 05851, 08515, 08551, 15085, …). The farthest-flung twin is 85015 in Phoenix, AZ, 1,199 miles away.
- 🧭 Farther north than 76% 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 50158 and you would come out at 42.05°S, 87.10°E — 955 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
- 📏 At 212.2 square miles of land, 50158 is bigger than 91% of ZIP codes — room for about 161 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 31,396This ZIP31,396 |
|---|---|
| Households | 11,788This ZIP11,788 |
| Housing units | 12,831This ZIP12,831 |
| Median age | 37.2This ZIP37.2Iowa38.6US 38.9 |
| Median household income | $70,367This ZIP$70,367Iowa$75,059US $80,734 |
| Median home value | $140,700This ZIP$140,700Iowa$208,000US $332,700 |
| Median gross rent | $892This ZIP$892Iowa$972US $1,413 |
| Bachelor's degree or higher | 21.3%This ZIP21.3% |
| Mean commute | 17.2 minThis ZIP17.2 min |
| Population density | 148.0 / sq miThis ZIP148.0 / sq mi |
Business and tax activity
| Business establishments | 661This ZIP661 |
|---|---|
| Employees | 12,582This ZIP12,582 |
| Annual payroll | $651,748,000This ZIP$651,748,000 |
| Tax returns filed | 13,900This ZIP13,900 |
| Total adjusted gross income | $910,193,000This ZIP$910,193,000 |
Land area
| Land area | 212.15 sq miThis ZIP212.15 sq mi |
|---|---|
| Water area | 0.22 sq miThis ZIP0.22 sq mi |
Counties 50158 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Marshall County | 98.6% |
| Tama County | 1.4% |
Other place names in 50158
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50158
| ZIP | City | Distance |
|---|---|---|
50142 | Le Grand, IA | 7.1 mi |
50078 | Ferguson, IA | 7.9 mi |
50005 | Albion, IA | 8.9 mi |
50120 | Haverhill, IA | 9.1 mi |
50148 | Liscomb, IA | 10.3 mi |
50632 | Garwin, IA | 10.6 mi |
50173 | Montour, IA | 11.3 mi |
50162 | Melbourne, IA | 11.8 mi |
50106 | Gilman, IA | 12.6 mi |
50141 | Laurel, IA | 12.8 mi |
Find every ZIP code within 10 miles of 50158 →
Questions about this ZIP code
Where is ZIP code 50158?
50158 is in Marshalltown, Iowa, in Marshall County, part of the Marshalltown, IA micropolitan area. Its published point location is 42.0498, -92.9007.
What county is 50158 in?
50158 spans 2 counties: Marshall County and Tama County. Most of it falls in Marshall 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 50158?
Marshalltown uses area code 641, from NANPA's telephone records.
What time zone is 50158 in?
50158 uses America/Chicago.
How many people live in 50158?
About 31,396 people live in ZIP code 50158, in 11,788 households, at 148.0 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 50158?
$70,367 a year, against $75,059 across Iowa.
What ZIP codes are near 50158?
The closest are 50142 (7.1 mi), 50078 (7.9 mi), 50005 (8.9 mi), 50120 (9.1 mi) and 50148 (10.3 mi).
Is 50158 a PO Box ZIP code?
50158 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50158 ZIP Code — Marshalltown, Iowa (Marshall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50158
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50158.json Underlying data is public domain or openly licensed — sources, vintages and licences.