51044
ZIP 51044 is Oto, Iowa, in Woodbury County; area code 712; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Woodbury
- Metro area
- Sioux City, IA-NE-SD
- Population
- 165
- Coordinates
- 42.3062, -95.9181
Weather right now
Asking the National Weather Service…
Where 51044 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 51044 into a pocket calculator and turn it upside down: hhOIS — not quite a word, sorry.
- ➕ As a number, 51,044 = 2 × 2 × 7 × 1823. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011101100100 - 🏠 Its numerical neighbours: 51041 (Orange City, IA, 50 mi away) and 51045 (Oyens, IA, 36 mi away).
- 🔄 Backwards, 51044 becomes 44015, which is not a ZIP code at all.
- 👥 31 other ZIP codes are made of exactly the same digits (04415, 04451, 04541, 05441, 10454, 14054, …). The farthest-flung twin is 04451 in Kingman, ME, 1,390 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther west than 71%.
- 🎯220 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51044 and you would come out at 42.31°S, 84.08°E — 824 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
- 📏 At 33.7 square miles of land, 51044 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 165This ZIP165 |
|---|---|
| Households | 77This ZIP77 |
| Housing units | 117This ZIP117 |
| Median age | 72.7This ZIP72.7Iowa38.6US 38.9 |
| Median household income | $90,417This ZIP$90,417Iowa$75,059US $80,734 |
| Median home value | $83,800This ZIP$83,800Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 29.7%This ZIP29.7% |
| Mean commute | 29.4 minThis ZIP29.4 min |
| Population density | 4.9 / sq miThis ZIP4.9 / sq mi |
Business and tax activity
| Business establishments | 5This ZIP5 |
|---|---|
| Employees | 15This ZIP15 |
| Annual payroll | $635,000This ZIP$635,000 |
Land area
| Land area | 33.68 sq miThis ZIP33.68 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Other place names in 51044
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51044
| ZIP | City | Distance |
|---|---|---|
51056 | Smithland, IA | 4.9 mi |
51004 | Anthon, IA | 5.1 mi |
51051 | Rodney, IA | 7.3 mi |
51026 | Hornick, IA | 8.4 mi |
51015 | Climbing Hill, IA | 8.6 mi |
51019 | Danbury, IA | 10.3 mi |
51034 | Mapleton, IA | 11.9 mi |
51039 | Moville, IA | 11.9 mi |
51016 | Correctionville, IA | 12.8 mi |
51010 | Castana, IA | 14.5 mi |
Find every ZIP code within 10 miles of 51044 →
Questions about this ZIP code
Where is ZIP code 51044?
51044 is in Oto, Iowa, in Woodbury County, part of the Sioux City, IA-NE-SD metropolitan area. Its published point location is 42.3062, -95.9181.
What county is 51044 in?
51044 lies in Woodbury County.
What area code is 51044?
Oto uses area code 712, from NANPA's telephone records.
What time zone is 51044 in?
51044 uses America/Chicago.
How many people live in 51044?
About 165 people live in ZIP code 51044, in 77 households, at 4.9 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 51044?
$90,417 a year, against $75,059 across Iowa.
What ZIP codes are near 51044?
The closest are 51056 (4.9 mi), 51004 (5.1 mi), 51051 (7.3 mi), 51026 (8.4 mi) and 51015 (8.6 mi).
Is 51044 a PO Box ZIP code?
51044 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51044 ZIP Code — Oto, Iowa (Woodbury County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51044
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51044.json Underlying data is public domain or openly licensed — sources, vintages and licences.