87831
ZIP 87831 is San Acacia, New Mexico, in Socorro County; Mountain time.
- Type
- Standard
- Time zone
- America/Denver
- County
- Socorro
- Metro area
- none
- Population
- 423
- Coordinates
- 34.2830, -106.8872
Weather right now
Asking the National Weather Service…
Where 87831 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 87831 into a pocket calculator and turn it upside down: IEBLB — not quite a word, sorry.
- ➕ As a number, 87,831 = 3 × 3 × 3 × 3253. Its digits add up to 27, a total 1,806 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10101011100010111 - 🏠 Its numerical neighbours: 87830 (Reserve, NM, 113 mi away) and 87832 (San Antonio, NM, 31 mi away).
- 🔄 Backwards, 87831 becomes 13878, which is not a ZIP code at all.
- 👥 14 other ZIP codes are made of exactly the same digits (13788, 17883, 18837, 31788, 37188, 37818, …). The farthest-flung twin is 13788 in Hobart, NY, 1,821 miles away.
- 🧭 Farther south than 77% of all ZIP codes, and farther west than 84%.
- 🎯597 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 87831 and you would come out at 34.28°S, 73.11°E — 1,051 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
- 📏 At 14.9 square miles of land, 87831 is bigger than 33% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 423This ZIP423 |
|---|---|
| Households | 257This ZIP257 |
| Housing units | 290This ZIP290 |
| Median age | 63.7This ZIP63.7New Mexico39.4US 38.9 |
| Median household income | $12,397This ZIP$12,397New Mexico$64,059US $80,734 |
| Median home value | $160,900This ZIP$160,900New Mexico$248,100US $332,700 |
| Bachelor's degree or higher | 0.0% |
| Population density | 28.3 / sq miThis ZIP28.3 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 10This ZIP10 |
| Annual payroll | $184,000This ZIP$184,000 |
Land area
| Land area | 14.94 sq miThis ZIP14.94 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 87831
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 87831
| ZIP | City | Distance |
|---|---|---|
87828 | Polvadera, NM | 5.7 mi |
87028 | La Joya, NM | 7.7 mi |
87823 | Lemitar, NM | 8.0 mi |
87006 | Bosque, NM | 14.1 mi |
87062 | Veguita, NM | 16.4 mi |
87023 | Jarales, NM | 23.0 mi |
87002 | Belen, NM | 24.6 mi |
87801 | Socorro, NM | 26.5 mi |
87832 | San Antonio, NM | 30.6 mi |
87060 | Tome, NM | 32.6 mi |
Find every ZIP code within 10 miles of 87831 →
Questions about this ZIP code
Where is ZIP code 87831?
87831 is in San Acacia, New Mexico, in Socorro County. Its published point location is 34.2830, -106.8872.
What county is 87831 in?
87831 lies in Socorro County.
What time zone is 87831 in?
87831 uses America/Denver.
How many people live in 87831?
About 423 people live in ZIP code 87831, in 257 households, at 28.3 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 87831?
$12,397 a year, against $64,059 across New Mexico.
What ZIP codes are near 87831?
The closest are 87828 (5.7 mi), 87028 (7.7 mi), 87823 (8 mi), 87006 (14.1 mi) and 87062 (16.4 mi).
Is 87831 a PO Box ZIP code?
87831 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “87831 ZIP Code — San Acacia, New Mexico (Socorro County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/87831
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/87831.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.