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Where 75240 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 75240 into a pocket calculator and turn it upside down: OhZSL — not quite a word, sorry.
- ➕ As a number, 75,240 = 2 × 2 × 2 × 3 × 3 × 5 × 11 × 19. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010010111101000 - 🏠 Its numerical neighbours: 75238 (Dallas, TX, 6 mi away) and 75241 (Dallas, TX, 18 mi away).
- 🔄 Backwards, 75240 becomes 04257 — and that is a real ZIP code: Mexico, ME, 1,618 miles away.
- 👥 58 other ZIP codes are made of exactly the same digits (02457, 02475, 02574, 02745, 04257, 04275, …). The farthest-flung twin is 04572 in Waldoboro, ME, 1,660 miles away.
- 🧭 Farther south than 84% of all ZIP codes, and farther west than 73%.
- 🎯487 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 75240 and you would come out at 32.93°S, 83.21°E — 1,316 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 20m of daylight. Shortest: 9h 59m.
- 📏 At 3.8 square miles of land, 75240 is bigger than 16% of ZIP codes — room for about 2.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 25,290This ZIP25,290 |
|---|---|
| Households | 11,316This ZIP11,316 |
| Housing units | 12,580This ZIP12,580 |
| Median age | 31.2This ZIP31.2Texas35.6US 38.9 |
| Median household income | $58,320This ZIP$58,320Texas$78,476US $80,734 |
| Median home value | $395,100This ZIP$395,100Texas$283,800US $332,700 |
| Median gross rent | $1,418This ZIP$1,418Texas$1,403US $1,413 |
| Bachelor's degree or higher | 39.6%This ZIP39.6% |
| Mean commute | 22.8 minThis ZIP22.8 min |
| Population density | 6,692.2 / sq miThis ZIP6,692.2 / sq mi |
Business and tax activity
| Business establishments | 1,378This ZIP1,378 |
|---|---|
| Employees | 30,748This ZIP30,748 |
| Annual payroll | $3,009,569,000This ZIP$3,009,569,000 |
| Tax returns filed | 10,830This ZIP10,830 |
| Total adjusted gross income | $1,188,354,000This ZIP$1,188,354,000 |
Land area
| Land area | 3.78 sq miThis ZIP3.78 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 75240
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 75240
| ZIP | City | Distance |
|---|---|---|
75254 | Dallas, TX | 1.1 mi |
75251 | Dallas, TX | 1.3 mi |
75230 | Dallas, TX | 1.9 mi |
75244 | Dallas, TX | 2.6 mi |
75248 | Dallas, TX | 2.7 mi |
75001 | Addison, TX | 3.3 mi |
75243 | Dallas, TX | 3.5 mi |
75080 | Richardson, TX | 4.3 mi |
75225 | Dallas, TX | 4.5 mi |
75252 | Dallas, TX | 4.6 mi |
Find every ZIP code within 10 miles of 75240 →
Questions about this ZIP code
Where is ZIP code 75240?
75240 is in Dallas, Texas, in Dallas County, part of the Dallas-Fort Worth-Arlington, TX metropolitan area. Its published point location is 32.9302, -96.7927.
What county is 75240 in?
75240 lies in Dallas County.
What area code is 75240?
Dallas uses area codes 214, 972, 469 and 945, from NANPA's telephone records.
What time zone is 75240 in?
75240 uses America/Chicago.
How many people live in 75240?
About 25,290 people live in ZIP code 75240, in 11,316 households, at 6,692.2 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 75240?
$58,320 a year, against $78,476 across Texas.
What ZIP codes are near 75240?
The closest are 75254 (1.1 mi), 75251 (1.3 mi), 75230 (1.9 mi), 75244 (2.6 mi) and 75248 (2.7 mi).
Is 75240 a PO Box ZIP code?
75240 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “75240 ZIP Code — Dallas, Texas (Dallas County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75240
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/75240.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.