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Where 51244 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 51244 into a pocket calculator and turn it upside down: hhZIS — not quite a word, sorry.
- ➕ As a number, 51,244 = 2 × 2 × 23 × 557. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100000101100 - 🏠 Its numerical neighbours: 51243 (Little Rock, IA, 14 mi away) and 51245 (Primghar, IA, 20 mi away).
- 🔄 Backwards, 51244 becomes 44215 — and that is a real ZIP code: Chippewa Lake, OH, 733 miles away.
- 👥 35 other ZIP codes are made of exactly the same digits (12454, 12544, 14425, 14452, 14542, 15244, …). The farthest-flung twin is 12544 in Mellenville, NY, 1,128 miles away.
- 🧭 Farther north than 84% of all ZIP codes, and farther west than 71%.
- 🎯273 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51244 and you would come out at 43.24°S, 84.07°E — 782 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
- 📏 At 0.378 square miles of land, 51244 is bigger than 4% of ZIP codes — about 183 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 144This ZIP144 |
|---|---|
| Households | 59This ZIP59 |
| Housing units | 63This ZIP63 |
| Median age | 49.5This ZIP49.5Iowa38.6US 38.9 |
| Median household income | $83,365This ZIP$83,365Iowa$75,059US $80,734 |
| Median home value | $95,000This ZIP$95,000Iowa$208,000US $332,700 |
| Bachelor's degree or higher | 20.0%This ZIP20.0% |
| Mean commute | 18.0 minThis ZIP18.0 min |
| Population density | 381.0 / sq miThis ZIP381.0 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 8This ZIP8 |
| Annual payroll | $386,000This ZIP$386,000 |
Land area
| Land area | 0.38 sq miThis ZIP0.38 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 51244
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51244
| ZIP | City | Distance |
|---|---|---|
51201 | Sheldon, IA | 5.5 mi |
51234 | Boyden, IA | 5.6 mi |
51237 | George, IA | 7.2 mi |
51232 | Ashton, IA | 7.2 mi |
51239 | Hull, IA | 11.1 mi |
51238 | Hospers, IA | 11.9 mi |
51231 | Archer, IA | 13.7 mi |
51243 | Little Rock, IA | 13.7 mi |
51248 | Sanborn, IA | 14.1 mi |
51235 | Doon, IA | 14.6 mi |
Find every ZIP code within 10 miles of 51244 →
Questions about this ZIP code
Where is ZIP code 51244?
51244 is in Matlock, Iowa, in Sioux County. Its published point location is 43.2443, -95.9344.
What county is 51244 in?
51244 lies in Sioux County.
What area code is 51244?
Matlock uses area code 712, from NANPA's telephone records.
What time zone is 51244 in?
51244 uses America/Chicago.
How many people live in 51244?
About 144 people live in ZIP code 51244, in 59 households, at 381.0 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 51244?
$83,365 a year, against $75,059 across Iowa.
What ZIP codes are near 51244?
The closest are 51201 (5.5 mi), 51234 (5.6 mi), 51237 (7.2 mi), 51232 (7.2 mi) and 51239 (11.1 mi).
Is 51244 a PO Box ZIP code?
51244 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51244 ZIP Code — Matlock, Iowa (Sioux County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51244
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51244.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.