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Where 73931 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 73931 into a pocket calculator and turn it upside down: IEGEL — not quite a word, sorry.
- ➕ As a number, 73,931 = 11 × 11 × 13 × 47. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010000011001011 - 🏠 Its numerical neighbours: 73901 (Adams, OK, 19 mi away) and 73932 (Beaver, OK, 17 mi away).
- 🔄 Backwards, 73931 becomes 13937, which is not a ZIP code at all.
- 👥 24 other ZIP codes are made of exactly the same digits (13739, 17339, 17933, 19373, 19733, 31739, …). The farthest-flung twin is 13739 in Bloomville, NY, 1,437 miles away.
- 🧭 Farther south than 66% of all ZIP codes, and farther west than 80%.
- 🎯254 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73931 and you would come out at 36.59°S, 79.20°E — 990 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 40m of daylight. Shortest: 9h 39m.
- 📏 At 227.0 square miles of land, 73931 is bigger than 92% of ZIP codes — room for about 172 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 434This ZIP434 |
|---|---|
| Households | 220This ZIP220 |
| Housing units | 275This ZIP275 |
| Median age | 55.1This ZIP55.1Oklahoma37.0US 38.9 |
| Median household income | $50,000This ZIP$50,000Oklahoma$65,039US $80,734 |
| Median home value | $96,600This ZIP$96,600Oklahoma$199,800US $332,700 |
| Median gross rent | $875This ZIP$875Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 51.9%This ZIP51.9% |
| Mean commute | 25.1 minThis ZIP25.1 min |
| Population density | 1.9 / sq miThis ZIP1.9 / sq mi |
Business and tax activity
| Business establishments | 10This ZIP10 |
|---|---|
| Employees | 41This ZIP41 |
| Annual payroll | $1,261,000This ZIP$1,261,000 |
| Tax returns filed | 190This ZIP190 |
| Total adjusted gross income | $13,446,000This ZIP$13,446,000 |
Land area
| Land area | 226.99 sq miThis ZIP226.99 sq mi |
|---|---|
| Water area | 0.09 sq miThis ZIP0.09 sq mi |
ZIP codes near 73931
| ZIP | City | Distance |
|---|---|---|
73944 | Hardesty, OK | 16.8 mi |
73932 | Beaver, OK | 17.5 mi |
73901 | Adams, OK | 19.1 mi |
73950 | Turpin, OK | 19.2 mi |
79005 | Booker, TX | 21.1 mi |
79033 | Farnsworth, TX | 21.7 mi |
79070 | Perryton, TX | 24.2 mi |
79093 | Waka, TX | 25.6 mi |
79024 | Darrouzett, TX | 26.1 mi |
73938 | Forgan, OK | 26.8 mi |
Find every ZIP code within 10 miles of 73931 →
Questions about this ZIP code
Where is ZIP code 73931?
73931 is in Balko, Oklahoma, in Beaver County. Its published point location is 36.5873, -100.8015.
What county is 73931 in?
73931 lies in Beaver County.
What area code is 73931?
Balko uses area code 580, from NANPA's telephone records.
What time zone is 73931 in?
73931 uses America/Chicago.
How many people live in 73931?
About 434 people live in ZIP code 73931, in 220 households, at 1.9 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 73931?
$50,000 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73931?
The closest are 73944 (16.8 mi), 73932 (17.5 mi), 73901 (19.1 mi), 73950 (19.2 mi) and 79005 (21.1 mi).
Is 73931 a PO Box ZIP code?
73931 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73931 ZIP Code — Balko, Oklahoma (Beaver County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73931
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73931.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.