51038
ZIP 51038 is Merrill, Iowa, in Plymouth County; area code 712; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Plymouth
- Metro area
- Le Mars, IA
- Population
- 1,449
- Coordinates
- 42.7032, -96.3165
Weather right now
Asking the National Weather Service…
Where 51038 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 51038 into a pocket calculator and turn it upside down: BEOIS — not quite a word, sorry.
- ➕ As a number, 51,038 = 2 × 13 × 13 × 151. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100011101011110 - 🏠 Its numerical neighbours: 51037 (Meriden, IA, 35 mi away) and 51039 (Moville, IA, 22 mi away).
- 🔄 Backwards, 51038 becomes 83015, which is not a ZIP code at all.
- 👥 55 other ZIP codes are made of exactly the same digits (01538, 01583, 01835, 01853, 03581, 03815, …). The farthest-flung twin is 01835 in Haverhill, MA, 1,275 miles away.
- 🧭 Farther north than 81% of all ZIP codes, and farther west than 72%.
- 🎯231 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51038 and you would come out at 42.70°S, 83.68°E — 791 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
- 📏 At 89.3 square miles of land, 51038 is bigger than 75% of ZIP codes — room for about 68 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,449This ZIP1,449 |
|---|---|
| Households | 553This ZIP553 |
| Housing units | 653This ZIP653 |
| Median age | 43.0This ZIP43.0Iowa38.6US 38.9 |
| Median household income | $95,893This ZIP$95,893Iowa$75,059US $80,734 |
| Median home value | $183,100This ZIP$183,100Iowa$208,000US $332,700 |
| Median gross rent | $630This ZIP$630Iowa$972US $1,413 |
| Bachelor's degree or higher | 17.6%This ZIP17.6% |
| Mean commute | 19.9 minThis ZIP19.9 min |
| Population density | 16.2 / sq miThis ZIP16.2 / sq mi |
Business and tax activity
| Business establishments | 27This ZIP27 |
|---|---|
| Employees | 191This ZIP191 |
| Annual payroll | $10,607,000This ZIP$10,607,000 |
| Tax returns filed | 690This ZIP690 |
| Total adjusted gross income | $58,550,000This ZIP$58,550,000 |
Land area
| Land area | 89.32 sq miThis ZIP89.32 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Other place names in 51038
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51038
| ZIP | City | Distance |
|---|---|---|
51024 | Hinton, IA | 6.0 mi |
51008 | Brunsville, IA | 7.9 mi |
51031 | Le Mars, IA | 9.6 mi |
51108 | Sioux City, IA | 9.7 mi |
51109 | Sioux City, IA | 10.1 mi |
51062 | Westfield, IA | 11.1 mi |
51104 | Sioux City, IA | 12.5 mi |
51105 | Sioux City, IA | 13.7 mi |
51103 | Sioux City, IA | 14.4 mi |
51101 | Sioux City, IA | 15.0 mi |
Find every ZIP code within 10 miles of 51038 →
Questions about this ZIP code
Where is ZIP code 51038?
51038 is in Merrill, Iowa, in Plymouth County, part of the Le Mars, IA micropolitan area. Its published point location is 42.7032, -96.3165.
What county is 51038 in?
51038 lies in Plymouth County.
What area code is 51038?
Merrill uses area code 712, from NANPA's telephone records.
What time zone is 51038 in?
51038 uses America/Chicago.
How many people live in 51038?
About 1,449 people live in ZIP code 51038, in 553 households, at 16.2 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 51038?
$95,893 a year, against $75,059 across Iowa.
What ZIP codes are near 51038?
The closest are 51024 (6 mi), 51008 (7.9 mi), 51031 (9.6 mi), 51108 (9.7 mi) and 51109 (10.1 mi).
Is 51038 a PO Box ZIP code?
51038 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51038 ZIP Code — Merrill, Iowa (Plymouth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51038
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51038.json Underlying data is public domain or openly licensed — sources, vintages and licences.