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Where 78599 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 78599 into a pocket calculator and turn it upside down: GGSBL — not quite a word, sorry.
- ➕ As a number, 78,599 = 53 × 1483. Its digits add up to 38, a total 58 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001100000111 - 🏠 Its numerical neighbours: 78598 (Port Mansfield, TX, 42 mi away) and 78602 (Bastrop, TX, 273 mi away).
- 🔄 Backwards, 78599 becomes 99587 — and that is a real ZIP code: Girdwood, AK, 3,360 miles away.
- 👥 12 other ZIP codes are made of exactly the same digits (78959, 79958, 95798, 95978, 95987, 97859, …). The farthest-flung twin is 99785 in Brevig Mission, AK, 3,967 miles away.
- 🧭 Farther south than 98% of all ZIP codes, and farther west than 77%.
- 🎯941 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78599 and you would come out at 26.22°S, 82.01°E — 1,368 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 13h 47m of daylight. Shortest: 10h 30m.
- 📏 At 26.5 square miles of land, 78599 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 35,454This ZIP35,454 |
|---|---|
| Households | 9,605This ZIP9,605 |
| Housing units | 10,225This ZIP10,225 |
| Median age | 27.9This ZIP27.9Texas35.6US 38.9 |
| Median household income | $58,349This ZIP$58,349Texas$78,476US $80,734 |
| Median home value | $125,400This ZIP$125,400Texas$283,800US $332,700 |
| Median gross rent | $1,007This ZIP$1,007Texas$1,403US $1,413 |
| Bachelor's degree or higher | 15.1%This ZIP15.1% |
| Mean commute | 24.7 minThis ZIP24.7 min |
| Population density | 1,336.7 / sq miThis ZIP1,336.7 / sq mi |
Business and tax activity
| Business establishments | 176This ZIP176 |
|---|---|
| Employees | 2,666This ZIP2,666 |
| Annual payroll | $91,174,000This ZIP$91,174,000 |
Land area
| Land area | 26.52 sq miThis ZIP26.52 sq mi |
|---|---|
| Water area | 0.07 sq miThis ZIP0.07 sq mi |
Other place names in 78599
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78599
| ZIP | City | Distance |
|---|---|---|
78537 | Donna, TX | 5.3 mi |
78558 | La Blanca, TX | 5.7 mi |
78570 | Mercedes, TX | 5.7 mi |
78543 | Elsa, TX | 5.9 mi |
78562 | La Villa, TX | 7.6 mi |
78596 | Weslaco, TX | 8.3 mi |
78579 | Progreso, TX | 9.2 mi |
78516 | Alamo, TX | 9.7 mi |
78538 | Edcouch, TX | 10.4 mi |
78593 | Santa Rosa, TX | 11.0 mi |
Find every ZIP code within 10 miles of 78599 →
Questions about this ZIP code
Where is ZIP code 78599?
78599 is in Weslaco, Texas, in Hidalgo County, part of the McAllen-Edinburg-Mission, TX metropolitan area. Its published point location is 26.2170, -97.9880.
What county is 78599 in?
78599 lies in Hidalgo County.
What area code is 78599?
Weslaco uses area code 956, from NANPA's telephone records.
What time zone is 78599 in?
78599 uses America/Chicago.
How many people live in 78599?
About 35,454 people live in ZIP code 78599, in 9,605 households, at 1,336.7 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 78599?
$58,349 a year, against $78,476 across Texas.
What ZIP codes are near 78599?
The closest are 78537 (5.3 mi), 78558 (5.7 mi), 78570 (5.7 mi), 78543 (5.9 mi) and 78562 (7.6 mi).
Is 78599 a PO Box ZIP code?
78599 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78599 ZIP Code — Weslaco, Texas (Hidalgo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78599
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78599.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.