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Where 50658 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 50658 into a pocket calculator and turn it upside down: BSgOS — not quite a word, sorry.
- ➕ As a number, 50,658 = 2 × 3 × 8443. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010111100010 - 🏠 Its numerical neighbours: 50657 (Morrison, IA, 42 mi away) and 50659 (New Hampton, IA, 15 mi away).
- 🔄 Backwards, 50658 becomes 85605 — and that is a real ZIP code: Bowie, AZ, 1,179 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (05658, 06855, 08556, 50568, 50586, 55068, …). The farthest-flung twin is 85650 in Sierra Vista, AZ, 1,249 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 62%.
- 🎯380 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50658 and you would come out at 42.95°S, 87.46°E — 933 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 00m.
- 📏 At 78.0 square miles of land, 50658 is bigger than 72% of ZIP codes — room for about 59 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,450This ZIP2,450 |
|---|---|
| Households | 1,093This ZIP1,093 |
| Housing units | 1,203This ZIP1,203 |
| Median age | 41.1This ZIP41.1Iowa38.6US 38.9 |
| Median household income | $71,936This ZIP$71,936Iowa$75,059US $80,734 |
| Median home value | $155,100This ZIP$155,100Iowa$208,000US $332,700 |
| Median gross rent | $766This ZIP$766Iowa$972US $1,413 |
| Bachelor's degree or higher | 15.7%This ZIP15.7% |
| Mean commute | 26.0 minThis ZIP26.0 min |
| Population density | 31.4 / sq miThis ZIP31.4 / sq mi |
Business and tax activity
| Business establishments | 48This ZIP48 |
|---|---|
| Employees | 233This ZIP233 |
| Annual payroll | $8,504,000This ZIP$8,504,000 |
| Tax returns filed | 1,080This ZIP1,080 |
| Total adjusted gross income | $83,629,000This ZIP$83,629,000 |
Land area
| Land area | 78.02 sq miThis ZIP78.02 sq mi |
|---|---|
| Water area | 1.07 sq miThis ZIP1.07 sq mi |
Counties 50658 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Chickasaw County | 55.2% |
| Floyd County | 34.0% |
| Butler County | 6.6% |
| Bremer County | 4.2% |
Other place names in 50658
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50658
| ZIP | City | Distance |
|---|---|---|
50645 | Ionia, IA | 6.8 mi |
50666 | Plainfield, IA | 6.9 mi |
50616 | Charles City, IA | 10.9 mi |
50619 | Clarksville, IA | 12.2 mi |
50631 | Frederika, IA | 12.4 mi |
50661 | North Washington, IA | 13.1 mi |
50677 | Waverly, IA | 13.6 mi |
50636 | Greene, IA | 14.2 mi |
50620 | Colwell, IA | 14.5 mi |
50659 | New Hampton, IA | 14.6 mi |
Find every ZIP code within 10 miles of 50658 →
Questions about this ZIP code
Where is ZIP code 50658?
50658 is in Nashua, Iowa, in Chickasaw County. Its published point location is 42.9504, -92.5381.
What county is 50658 in?
50658 spans 4 counties: Chickasaw County, Floyd County, Butler County and Bremer County. Most of it falls in Chickasaw 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 50658?
Nashua uses area code 641, from NANPA's telephone records.
What time zone is 50658 in?
50658 uses America/Chicago.
How many people live in 50658?
About 2,450 people live in ZIP code 50658, in 1,093 households, at 31.4 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 50658?
$71,936 a year, against $75,059 across Iowa.
What ZIP codes are near 50658?
The closest are 50645 (6.8 mi), 50666 (6.9 mi), 50616 (10.9 mi), 50619 (12.2 mi) and 50631 (12.4 mi).
Is 50658 a PO Box ZIP code?
50658 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50658 ZIP Code — Nashua, Iowa (Chickasaw County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50658
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50658.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.