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Where 58831 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 58831 into a pocket calculator and turn it upside down: IEBBS — not quite a word, sorry.
- ➕ 58831 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110010111001111 - 🏠 Its numerical neighbours: 58830 (Alamo, ND, 52 mi away) and 58833 (Ambrose, ND, 72 mi away).
- 🔄 Backwards, 58831 becomes 13885, which is not a ZIP code at all.
- 👥 17 other ZIP codes are made of exactly the same digits (18853, 35188, 38581, 38851, 53188, 53818, …). The farthest-flung twin is 18853 in Wyalusing, PA, 1,399 miles away.
- 🧭 Farther north than 97% of all ZIP codes, and farther west than 82%.
- 🎯609 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 58831 and you would come out at 47.85°S, 76.35°E — 298 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 16h 01m of daylight. Shortest: 8h 23m.
- 📏 At 416.0 square miles of land, 58831 is bigger than 97% of ZIP codes — room for about 316 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,089This ZIP1,089 |
|---|---|
| Households | 443This ZIP443 |
| Housing units | 544This ZIP544 |
| Median age | 37.6This ZIP37.6North Dakota35.9US 38.9 |
| Median household income | $98,380This ZIP$98,380North Dakota$76,657US $80,734 |
| Median home value | $342,100This ZIP$342,100North Dakota$249,900US $332,700 |
| Median gross rent | $1,223This ZIP$1,223North Dakota$954US $1,413 |
| Bachelor's degree or higher | 13.1%This ZIP13.1% |
| Mean commute | 23.4 minThis ZIP23.4 min |
| Population density | 2.6 / sq miThis ZIP2.6 / sq mi |
Business and tax activity
| Business establishments | 54This ZIP54 |
|---|---|
| Employees | 562This ZIP562 |
| Annual payroll | $57,340,000This ZIP$57,340,000 |
| Tax returns filed | 440This ZIP440 |
| Total adjusted gross income | $56,624,000This ZIP$56,624,000 |
Land area
| Land area | 416.05 sq miThis ZIP416.05 sq mi |
|---|---|
| Water area | 15.65 sq miThis ZIP15.65 sq mi |
Other place names in 58831
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 58831
| ZIP | City | Distance |
|---|---|---|
58835 | Arnegard, ND | 12.4 mi |
58838 | Cartwright, ND | 12.9 mi |
58853 | Trenton, ND | 14.7 mi |
58803 | Williston, ND | 20.3 mi |
58802 | Williston, ND | 21.8 mi |
58854 | Watford City, ND | 23.2 mi |
59221 | Fairview, MT | 24.0 mi |
59270 | Sidney, MT | 26.3 mi |
58801 | Williston, ND | 27.1 mi |
58843 | Epping, ND | 29.1 mi |
Find every ZIP code within 10 miles of 58831 →
Questions about this ZIP code
Where is ZIP code 58831?
58831 is in Alexander, North Dakota, in McKenzie County. Its published point location is 47.8542, -103.6520.
What county is 58831 in?
58831 lies in McKenzie County.
What area code is 58831?
Alexander uses area code 701, from NANPA's telephone records.
What time zone is 58831 in?
58831 uses America/Chicago.
How many people live in 58831?
About 1,089 people live in ZIP code 58831, in 443 households, at 2.6 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 58831?
$98,380 a year, against $76,657 across North Dakota.
What ZIP codes are near 58831?
The closest are 58835 (12.4 mi), 58838 (12.9 mi), 58853 (14.7 mi), 58803 (20.3 mi) and 58802 (21.8 mi).
Is 58831 a PO Box ZIP code?
58831 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “58831 ZIP Code — Alexander, North Dakota (McKenzie County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/58831
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/58831.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.