50670
ZIP 50670 is Shell Rock, Iowa, mostly in Butler County; area code 319; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Butler +2 more
- Metro area
- none
- Population
- 2,270
- Coordinates
- 42.6776, -92.6159
Weather right now
Asking the National Weather Service…
Where 50670 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 50670 into a pocket calculator and turn it upside down: OLgOS — not quite a word, sorry.
- ➕ As a number, 50,670 = 2 × 3 × 3 × 5 × 563. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010111101110 - 🏠 Its numerical neighbours: 50669 (Reinbeck, IA, 23 mi away) and 50671 (Stanley, IA, 42 mi away).
- 🔄 Backwards, 50670 becomes 07605 — and that is a real ZIP code: Leonia, NJ, 966 miles away.
- 👥 33 other ZIP codes are made of exactly the same digits (00765, 05067, 05076, 05670, 05760, 06057, …). The farthest-flung twin is 00765 in Vieques, PR, 2,326 miles away.
- 🧭 Farther north than 80% of all ZIP codes, and farther west than 62%.
- 🎯367 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50670 and you would come out at 42.68°S, 87.38°E — 941 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 02m.
- 📏 At 55.1 square miles of land, 50670 is bigger than 62% of ZIP codes — room for about 42 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,270This ZIP2,270 |
|---|---|
| Households | 803This ZIP803 |
| Housing units | 873This ZIP873 |
| Median age | 41.0This ZIP41.0Iowa38.6US 38.9 |
| Median household income | $84,679This ZIP$84,679Iowa$75,059US $80,734 |
| Median home value | $171,500This ZIP$171,500Iowa$208,000US $332,700 |
| Median gross rent | $931This ZIP$931Iowa$972US $1,413 |
| Bachelor's degree or higher | 24.4%This ZIP24.4% |
| Mean commute | 23.2 minThis ZIP23.2 min |
| Population density | 41.2 / sq miThis ZIP41.2 / sq mi |
Business and tax activity
| Business establishments | 35This ZIP35 |
|---|---|
| Employees | 1,040This ZIP1,040 |
| Annual payroll | $63,253,000This ZIP$63,253,000 |
| Tax returns filed | 940This ZIP940 |
| Total adjusted gross income | $67,756,000This ZIP$67,756,000 |
Land area
| Land area | 55.10 sq miThis ZIP55.10 sq mi |
|---|---|
| Water area | 0.53 sq miThis ZIP0.53 sq mi |
Counties 50670 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Butler County | 97.3% |
| Bremer County | 1.8% |
| Black Hawk County | 0.9% |
Other place names in 50670
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50670
| ZIP | City | Distance |
|---|---|---|
50647 | Janesville, IA | 6.3 mi |
50660 | New Hartford, IA | 7.0 mi |
50619 | Clarksville, IA | 8.7 mi |
50665 | Parkersburg, IA | 10.4 mi |
50602 | Allison, IA | 10.6 mi |
50677 | Waverly, IA | 10.9 mi |
50673 | Stout, IA | 11.6 mi |
50613 | Cedar Falls, IA | 12.1 mi |
50666 | Plainfield, IA | 13.5 mi |
50622 | Denver, IA | 14.4 mi |
Find every ZIP code within 10 miles of 50670 →
Questions about this ZIP code
Where is ZIP code 50670?
50670 is in Shell Rock, Iowa, in Butler County. Its published point location is 42.6776, -92.6159.
What county is 50670 in?
50670 spans 3 counties: Butler County, Bremer County and Black Hawk County. Most of it falls in Butler 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 50670?
Shell Rock uses area code 319, from NANPA's telephone records.
What time zone is 50670 in?
50670 uses America/Chicago.
How many people live in 50670?
About 2,270 people live in ZIP code 50670, in 803 households, at 41.2 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 50670?
$84,679 a year, against $75,059 across Iowa.
What ZIP codes are near 50670?
The closest are 50647 (6.3 mi), 50660 (7 mi), 50619 (8.7 mi), 50665 (10.4 mi) and 50602 (10.6 mi).
Is 50670 a PO Box ZIP code?
50670 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50670 ZIP Code — Shell Rock, Iowa (Butler County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50670
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50670.json Underlying data is public domain or openly licensed — sources, vintages and licences.