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Where 75021 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 75021 into a pocket calculator and turn it upside down: IZOSL — not quite a word, sorry.
- ➕ As a number, 75,021 = 3 × 17 × 1471. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010010100001101 - 🏠 Its numerical neighbours: 75020 (Denison, TX, 8 mi away) and 75022 (Flower Mound, TX, 61 mi away).
- 🔄 Backwards, 75021 becomes 12057 — and that is a real ZIP code: Eagle Bridge, NY, 1,401 miles away.
- 👥 65 other ZIP codes are made of exactly the same digits (01257, 01527, 01752, 02571, 02715, 07512, …). The farthest-flung twin is 02571 in Wareham, MA, 1,507 miles away.
- 🧭 Farther south than 81% of all ZIP codes, and farther west than 72%.
- 🎯437 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 75021 and you would come out at 33.73°S, 83.52°E — 1,276 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 24m of daylight. Shortest: 9h 54m.
- 📏 At 58.4 square miles of land, 75021 is bigger than 64% of ZIP codes — room for about 44 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,173This ZIP9,173 |
|---|---|
| Households | 3,379This ZIP3,379 |
| Housing units | 3,831This ZIP3,831 |
| Median age | 40.7This ZIP40.7Texas35.6US 38.9 |
| Median household income | $83,067This ZIP$83,067Texas$78,476US $80,734 |
| Median home value | $190,500This ZIP$190,500Texas$283,800US $332,700 |
| Median gross rent | $1,096This ZIP$1,096Texas$1,403US $1,413 |
| Bachelor's degree or higher | 17.5%This ZIP17.5% |
| Mean commute | 25.7 minThis ZIP25.7 min |
| Population density | 157.1 / sq miThis ZIP157.1 / sq mi |
Business and tax activity
| Business establishments | 98This ZIP98 |
|---|---|
| Employees | 1,014This ZIP1,014 |
| Annual payroll | $46,828,000This ZIP$46,828,000 |
| Tax returns filed | 4,130This ZIP4,130 |
| Total adjusted gross income | $284,103,000This ZIP$284,103,000 |
Land area
| Land area | 58.39 sq miThis ZIP58.39 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
Other place names in 75021
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 75021
| ZIP | City | Distance |
|---|---|---|
74733 | Colbert, OK | 6.5 mi |
75414 | Bells, TX | 7.8 mi |
75020 | Denison, TX | 8.0 mi |
74720 | Achille, OK | 9.4 mi |
75090 | Sherman, TX | 9.5 mi |
74747 | Kemp, OK | 9.6 mi |
75091 | Sherman, TX | 9.8 mi |
75479 | Savoy, TX | 10.9 mi |
74731 | Cartwright, OK | 11.3 mi |
74741 | Hendrix, OK | 11.9 mi |
Find every ZIP code within 10 miles of 75021 →
Questions about this ZIP code
Where is ZIP code 75021?
75021 is in Denison, Texas, in Grayson County, part of the Sherman-Denison, TX metropolitan area. Its published point location is 33.7280, -96.4784.
What county is 75021 in?
75021 lies in Grayson County.
What area code is 75021?
Denison uses area codes 903 and 430, from NANPA's telephone records.
What time zone is 75021 in?
75021 uses America/Chicago.
How many people live in 75021?
About 9,173 people live in ZIP code 75021, in 3,379 households, at 157.1 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 75021?
$83,067 a year, against $78,476 across Texas.
What ZIP codes are near 75021?
The closest are 74733 (6.5 mi), 75414 (7.8 mi), 75020 (8 mi), 74720 (9.4 mi) and 75090 (9.5 mi).
Is 75021 a PO Box ZIP code?
75021 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “75021 ZIP Code — Denison, Texas (Grayson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/75021
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/75021.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.