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Where 79521 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 79521 into a pocket calculator and turn it upside down: IZSGL — not quite a word, sorry.
- ➕ As a number, 79,521 = 3 × 13 × 2039. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011011010100001 - 🏠 Its numerical neighbours: 79520 (Hamlin, TX, 33 mi away) and 79525 (Hawley, TX, 34 mi away).
- 🔄 Backwards, 79521 becomes 12597, which is not a ZIP code at all.
- 👥 43 other ZIP codes are made of exactly the same digits (12759, 12957, 12975, 15279, 15729, 15927, …). The farthest-flung twin is 12975 in Port Kent, NY, 1,605 miles away.
- 🧭 Farther south than 84% of all ZIP codes, and farther west than 79%.
- 🎯467 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 79521 and you would come out at 33.12°S, 80.37°E — 1,236 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 21m of daylight. Shortest: 9h 58m.
- 📏 At 327.4 square miles of land, 79521 is bigger than 95% of ZIP codes — room for about 249 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,487This ZIP3,487 |
|---|---|
| Households | 1,388This ZIP1,388 |
| Housing units | 2,028This ZIP2,028 |
| Median age | 43.2This ZIP43.2Texas35.6US 38.9 |
| Median household income | $64,294This ZIP$64,294Texas$78,476US $80,734 |
| Median home value | $117,400This ZIP$117,400Texas$283,800US $332,700 |
| Median gross rent | $760This ZIP$760Texas$1,403US $1,413 |
| Bachelor's degree or higher | 24.4%This ZIP24.4% |
| Mean commute | 14.7 minThis ZIP14.7 min |
| Population density | 10.7 / sq miThis ZIP10.7 / sq mi |
Business and tax activity
| Business establishments | 92This ZIP92 |
|---|---|
| Employees | 826This ZIP826 |
| Annual payroll | $33,440,000This ZIP$33,440,000 |
| Tax returns filed | 1,350This ZIP1,350 |
| Total adjusted gross income | $89,836,000This ZIP$89,836,000 |
Land area
| Land area | 327.41 sq miThis ZIP327.41 sq mi |
|---|---|
| Water area | 6.95 sq miThis ZIP6.95 sq mi |
Counties 79521 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Haskell County | 93.5% |
| Throckmorton County | 6.5% |
Other place names in 79521
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 79521
| ZIP | City | Distance |
|---|---|---|
76388 | Weinert, TX | 14.0 mi |
79503 | Avoca, TX | 16.5 mi |
79548 | Rule, TX | 16.6 mi |
79547 | Rule, TX | 16.7 mi |
79544 | Rochester, TX | 17.7 mi |
79553 | Stamford, TX | 17.7 mi |
79533 | Lueders, TX | 19.4 mi |
76483 | Throckmorton, TX | 20.4 mi |
79539 | O Brien, TX | 22.3 mi |
79529 | Knox City, TX | 24.6 mi |
Find every ZIP code within 10 miles of 79521 →
Questions about this ZIP code
Where is ZIP code 79521?
79521 is in Haskell, Texas, in Haskell County. Its published point location is 33.1204, -99.6318.
What county is 79521 in?
79521 spans 2 counties: Haskell County and Throckmorton County. Most of it falls in Haskell 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 79521?
Haskell uses area code 940, from NANPA's telephone records.
What time zone is 79521 in?
79521 uses America/Chicago.
How many people live in 79521?
About 3,487 people live in ZIP code 79521, in 1,388 households, at 10.7 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 79521?
$64,294 a year, against $78,476 across Texas.
What ZIP codes are near 79521?
The closest are 76388 (14 mi), 79503 (16.5 mi), 79548 (16.6 mi), 79547 (16.7 mi) and 79544 (17.7 mi).
Is 79521 a PO Box ZIP code?
79521 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “79521 ZIP Code — Haskell, Texas (Haskell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/79521
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/79521.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.