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Where 73537 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 73537 into a pocket calculator and turn it upside down: LESEL — not quite a word, sorry.
- ⇆73537 reads the same backwards. It is one of only 412 palindromic ZIP codes.
- ➕ As a number, 73,537 = 151 × 487. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001111101000001 - 🏠 Its numerical neighbours: 73536 (Duncan, OK, 104 mi away) and 73538 (Elgin, OK, 77 mi away).
- 👥 15 other ZIP codes are made of exactly the same digits (33757, 33775, 35773, 37357, 37375, 37753, …). The farthest-flung twin is 33757 in Clearwater, FL, 1,098 miles away.
- 🧭 Farther south than 76% of all ZIP codes, and farther west than 79%.
- 🎯375 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73537 and you would come out at 34.47°S, 80.32°E — 1,150 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 28m of daylight. Shortest: 9h 51m.
- 📏 At 153.8 square miles of land, 73537 is bigger than 87% of ZIP codes — room for about 117 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 543This ZIP543 |
|---|---|
| Households | 184This ZIP184 |
| Housing units | 274This ZIP274 |
| Median age | 38.0This ZIP38.0Oklahoma37.0US 38.9 |
| Median household income | $59,688This ZIP$59,688Oklahoma$65,039US $80,734 |
| Median home value | $57,200This ZIP$57,200Oklahoma$199,800US $332,700 |
| Median gross rent | $493This ZIP$493Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 19.3%This ZIP19.3% |
| Mean commute | 16.6 minThis ZIP16.6 min |
| Population density | 3.5 / sq miThis ZIP3.5 / sq mi |
Business and tax activity
| Business establishments | 9This ZIP9 |
|---|---|
| Employees | 50This ZIP50 |
| Annual payroll | $1,325,000This ZIP$1,325,000 |
| Tax returns filed | 140This ZIP140 |
| Total adjusted gross income | $7,308,000This ZIP$7,308,000 |
Land area
| Land area | 153.80 sq miThis ZIP153.80 sq mi |
|---|---|
| Water area | 0.15 sq miThis ZIP0.15 sq mi |
Counties 73537 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Jackson County | 80.3% |
| Harmon County | 19.7% |
Other place names in 73537
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73537
| ZIP | City | Distance |
|---|---|---|
73532 | Duke, OK | 12.3 mi |
79252 | Quanah, TX | 13.0 mi |
73544 | Gould, OK | 13.9 mi |
73560 | Olustee, OK | 14.2 mi |
79247 | Odell, TX | 17.7 mi |
79225 | Chillicothe, TX | 18.0 mi |
73550 | Hollis, OK | 20.6 mi |
73539 | Elmer, OK | 22.7 mi |
73522 | Altus, OK | 22.9 mi |
73521 | Altus, OK | 23.7 mi |
Find every ZIP code within 10 miles of 73537 →
Questions about this ZIP code
Where is ZIP code 73537?
73537 is in Eldorado, Oklahoma, in Jackson County, part of the Altus, OK micropolitan area. Its published point location is 34.4684, -99.6792.
What county is 73537 in?
73537 spans 2 counties: Jackson County and Harmon County. Most of it falls in Jackson 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 73537?
Eldorado uses area code 580, from NANPA's telephone records.
What time zone is 73537 in?
73537 uses America/Chicago.
How many people live in 73537?
About 543 people live in ZIP code 73537, in 184 households, at 3.5 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 73537?
$59,688 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73537?
The closest are 73532 (12.3 mi), 79252 (13 mi), 73544 (13.9 mi), 73560 (14.2 mi) and 79247 (17.7 mi).
Is 73537 a PO Box ZIP code?
73537 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73537 ZIP Code — Eldorado, Oklahoma (Jackson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73537
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73537.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.