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Where 74531 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 74531 into a pocket calculator and turn it upside down: IEShL — not quite a word, sorry.
- ➕ 74531 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010001100100011 - 🏠 Its numerical neighbours: 74530 (Bromide, OK, 36 mi away) and 74533 (Caney, OK, 47 mi away).
- 🔄 Backwards, 74531 becomes 13547, which is not a ZIP code at all.
- 👥 54 other ZIP codes are made of exactly the same digits (13457, 13475, 13745, 13754, 14537, 14735, …). The farthest-flung twin is 13475 in Van Hornesville, NY, 1,273 miles away.
- 🧭 Farther south than 75% of all ZIP codes, and farther west than 72%.
- 🎯365 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 74531 and you would come out at 34.88°S, 83.77°E — 1,213 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 30m of daylight. Shortest: 9h 49m.
- 📏 At 102.9 square miles of land, 74531 is bigger than 78% of ZIP codes — room for about 78 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 834This ZIP834 |
|---|---|
| Households | 302This ZIP302 |
| Housing units | 472This ZIP472 |
| Median age | 43.9This ZIP43.9Oklahoma37.0US 38.9 |
| Median household income | $55,000This ZIP$55,000Oklahoma$65,039US $80,734 |
| Median home value | $97,300This ZIP$97,300Oklahoma$199,800US $332,700 |
| Median gross rent | $629This ZIP$629Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 16.3%This ZIP16.3% |
| Mean commute | 32.3 minThis ZIP32.3 min |
| Population density | 8.1 / sq miThis ZIP8.1 / sq mi |
Business and tax activity
| Business establishments | 14This ZIP14 |
|---|---|
| Employees | 50This ZIP50 |
| Annual payroll | $2,296,000This ZIP$2,296,000 |
| Tax returns filed | 360This ZIP360 |
| Total adjusted gross income | $17,593,000This ZIP$17,593,000 |
Land area
| Land area | 102.93 sq miThis ZIP102.93 sq mi |
|---|---|
| Water area | 1.07 sq miThis ZIP1.07 sq mi |
Counties 74531 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Hughes County | 94.7% |
| Coal County | 5.3% |
Other place names in 74531
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 74531
| ZIP | City | Distance |
|---|---|---|
74570 | Stuart, OK | 7.3 mi |
74827 | Atwood, OK | 7.7 mi |
74825 | Allen, OK | 10.1 mi |
74848 | Holdenville, OK | 15.2 mi |
74850 | Lamar, OK | 17.2 mi |
74576 | Wardville, OK | 18.1 mi |
74867 | Sasakwa, OK | 18.5 mi |
74534 | Centrahoma, OK | 19.3 mi |
74844 | Francis, OK | 20.5 mi |
74553 | Kiowa, OK | 20.7 mi |
Find every ZIP code within 10 miles of 74531 →
Questions about this ZIP code
Where is ZIP code 74531?
74531 is in Calvin, Oklahoma, in Hughes County. Its published point location is 34.8815, -96.2281.
What county is 74531 in?
74531 spans 2 counties: Hughes County and Coal County. Most of it falls in Hughes County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 74531?
Calvin uses area codes 405 and 572, from NANPA's telephone records.
What time zone is 74531 in?
74531 uses America/Chicago.
How many people live in 74531?
About 834 people live in ZIP code 74531, in 302 households, at 8.1 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 74531?
$55,000 a year, against $65,039 across Oklahoma.
What ZIP codes are near 74531?
The closest are 74570 (7.3 mi), 74827 (7.7 mi), 74825 (10.1 mi), 74848 (15.2 mi) and 74850 (17.2 mi).
Is 74531 a PO Box ZIP code?
74531 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “74531 ZIP Code — Calvin, Oklahoma (Hughes County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/74531
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/74531.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.