78590
ZIP 78590 is San Perlita, Texas, in Willacy County; area code 956; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Willacy
- Metro area
- Raymondville, TX
- Population
- 428
- Coordinates
- 26.5019, -97.6351
Weather right now
Asking the National Weather Service…
Where 78590 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 78590 into a pocket calculator and turn it upside down: OGSBL — not quite a word, sorry.
- ➕ As a number, 78,590 = 2 × 5 × 29 × 271. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10011001011111110 - 🏠 Its numerical neighbours: 78589 (San Juan, TX, 41 mi away) and 78591 (Santa Elena, TX, 57 mi away).
- 🔄 Backwards, 78590 becomes 09587, which is not a ZIP code at all.
- 👥 34 other ZIP codes are made of exactly the same digits (08759, 09875, 58079, 58790, 59078, 59087, …). The farthest-flung twin is 09875 in APO AA, a military post office, 8,175 miles away.
- 🧭 Farther south than 97% of all ZIP codes, and farther west than 76%.
- 🎯922 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 78590 and you would come out at 26.50°S, 82.36°E — 1,365 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 13h 48m of daylight. Shortest: 10h 28m.
- 📏 At 1.0 square miles of land, 78590 is bigger than 8% of ZIP codes — about 484 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 428This ZIP428 |
|---|---|
| Households | 97This ZIP97 |
| Housing units | 152This ZIP152 |
| Median age | 30.4This ZIP30.4Texas35.6US 38.9 |
| Median household income | $82,292This ZIP$82,292Texas$78,476US $80,734 |
| Median home value | $57,400This ZIP$57,400Texas$283,800US $332,700 |
| Bachelor's degree or higher | 12.7%This ZIP12.7% |
| Mean commute | 13.9 minThis ZIP13.9 min |
| Population density | 427.6 / sq miThis ZIP427.6 / sq mi |
Land area
| Land area | 1.00 sq miThis ZIP1.00 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 78590
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 78590
| ZIP | City | Distance |
|---|---|---|
78580 | Raymondville, TX | 7.0 mi |
78569 | Lyford, TX | 11.0 mi |
78598 | Port Mansfield, TX | 13.6 mi |
78594 | Sebastian, TX | 15.1 mi |
78550 | Harlingen, TX | 17.1 mi |
78561 | Lasara, TX | 17.5 mi |
78583 | Rio Hondo, TX | 18.1 mi |
78535 | Combes, TX | 18.4 mi |
78551 | Harlingen, TX | 18.5 mi |
78593 | Santa Rosa, TX | 19.5 mi |
Find every ZIP code within 10 miles of 78590 →
Questions about this ZIP code
Where is ZIP code 78590?
78590 is in San Perlita, Texas, in Willacy County, part of the Raymondville, TX micropolitan area. Its published point location is 26.5019, -97.6351.
What county is 78590 in?
78590 lies in Willacy County.
What area code is 78590?
San Perlita uses area code 956, from NANPA's telephone records.
What time zone is 78590 in?
78590 uses America/Chicago.
How many people live in 78590?
About 428 people live in ZIP code 78590, in 97 households, at 427.6 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 78590?
$82,292 a year, against $78,476 across Texas.
What ZIP codes are near 78590?
The closest are 78580 (7 mi), 78569 (11 mi), 78598 (13.6 mi), 78594 (15.1 mi) and 78550 (17.1 mi).
Is 78590 a PO Box ZIP code?
78590 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “78590 ZIP Code — San Perlita, Texas (Willacy County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78590
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/78590.json Underlying data is public domain or openly licensed — sources, vintages and licences.