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Where 50570 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 50570 into a pocket calculator and turn it upside down: OLSOS — not quite a word, sorry.
- ➕ As a number, 50,570 = 2 × 5 × 13 × 389. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100010110001010 - 🏠 Its numerical neighbours: 50569 (Otho, IA, 36 mi away) and 50571 (Palmer, IA, 21 mi away).
- 🔄 Backwards, 50570 becomes 07505 — and that is a real ZIP code: Paterson, NJ, 1,045 miles away.
- 👥 14 other ZIP codes are made of exactly the same digits (05075, 05750, 07055, 07505, 50057, 50075, …). The farthest-flung twin is 05075 in Thetford Center, VT, 1,108 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther west than 67%.
- 🎯304 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 50570 and you would come out at 42.90°S, 85.63°E — 860 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 01m.
- 📏 At 43.4 square miles of land, 50570 is bigger than 56% of ZIP codes — room for about 33 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 203This ZIP203 |
|---|---|
| Households | 102This ZIP102 |
| Housing units | 111This ZIP111 |
| Median age | 48.3This ZIP48.3Iowa38.6US 38.9 |
| Median household income | $67,813This ZIP$67,813Iowa$75,059US $80,734 |
| Median home value | $202,000This ZIP$202,000Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 28.8%This ZIP28.8% |
| Mean commute | 22.4 minThis ZIP22.4 min |
| Population density | 4.7 / sq miThis ZIP4.7 / sq mi |
Business and tax activity
| Business establishments | 6This ZIP6 |
|---|---|
| Employees | 35This ZIP35 |
| Annual payroll | $1,949,000This ZIP$1,949,000 |
| Tax returns filed | 110This ZIP110 |
| Total adjusted gross income | $8,769,000This ZIP$8,769,000 |
Land area
| Land area | 43.36 sq miThis ZIP43.36 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Counties 50570 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Humboldt County | 64.2% |
| Kossuth County | 35.8% |
Other place names in 50570
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 50570
| ZIP | City | Distance |
|---|---|---|
50519 | Bode, IA | 5.2 mi |
50520 | Bradgate, IA | 6.2 mi |
50597 | West Bend, IA | 7.0 mi |
50582 | Rutland, IA | 8.0 mi |
50581 | Rolfe, IA | 9.9 mi |
50558 | Livermore, IA | 10.6 mi |
50573 | Plover, IA | 13.0 mi |
50598 | Whittemore, IA | 13.0 mi |
50541 | Gilmore City, IA | 13.5 mi |
50560 | Lu Verne, IA | 13.9 mi |
Find every ZIP code within 10 miles of 50570 →
Questions about this ZIP code
Where is ZIP code 50570?
50570 is in Ottosen, Iowa, in Humboldt County. Its published point location is 42.8955, -94.3670.
What county is 50570 in?
50570 spans 2 counties: Humboldt County and Kossuth County. Most of it falls in Humboldt 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 50570?
Ottosen uses area code 515, from NANPA's telephone records.
What time zone is 50570 in?
50570 uses America/Chicago.
How many people live in 50570?
About 203 people live in ZIP code 50570, in 102 households, at 4.7 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 50570?
$67,813 a year, against $75,059 across Iowa.
What ZIP codes are near 50570?
The closest are 50519 (5.2 mi), 50520 (6.2 mi), 50597 (7 mi), 50582 (8 mi) and 50581 (9.9 mi).
Is 50570 a PO Box ZIP code?
50570 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “50570 ZIP Code — Ottosen, Iowa (Humboldt County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50570
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/50570.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.