ZIP code 78588
Where is ZIP code 78588?
San Isidro, Texas
Starr County · Standard ZIP code
ZIP code 78588 belongs to San Isidro, Texas in Starr County. 78588 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 361 and 956. About 289 people live in the 78588 area, where the median household income is $94,821. The closest ZIP codes are 78536 (Delmita, 3.6 mi southeast), 78591 (Santa Elena, 10.1 mi south) and 78563 (Linn, 14 mi southeast).
| ZIP code | 78588 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | San Isidro |
| State | Texas (TX) |
| County | Starr County |
| Time zone | Central Time · now |
| Area codes | 361, 956 |
| Coordinates | 26.7167, -98.4539 map |
| 3-digit prefix | 785 |
Population and income in 78588
| Population | 289 · lower than 88% of Texas ZIP codes |
|---|---|
| People per square mile | 8 · lower than 83% of Texas ZIP codes |
| Median age | 41.2 years · higher than 65% of Texas ZIP codes |
| Men / women | 50% / 51% |
| Median household income | $94,821 · higher than 81% of Texas ZIP codes |
| Income per person | $25,903 |
| Below the poverty line | 0.0% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $52,800 · lower than 99% of Texas ZIP codes |
| Median rent | $520 a month |
| Housing units | 122 |
| Households | 67 (4.31 people on average) |
| Owners / renters | 66% / 34% |
| Land area | 36.62 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78588. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78588
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78536 | Delmita, TX | 3.6 mi SE | Standard |
| 78591 | Santa Elena, TX | 10.1 mi S | Standard |
| 78563 | Linn, TX | 14 mi SE | Standard |
| 78541 | Edinburg, TX | 21.3 mi SE | Standard |
| 78353 | Encino, TX | 21.6 mi NE | Standard |
| 78574 | Mission, TX | 28 mi S | Standard |
| 78542 | Edinburg, TX | 29.4 mi SE | Standard |
| 78360 | Guerra, TX | 29.5 mi NW | Standard |
| 78547 | Garciasville, TX | 29.8 mi SW | PO Box only |
| 78576 | Penitas, TX | 30.3 mi S | Standard |
| 78573 | Mission, TX | 30.7 mi S | Standard |
| 78549 | Hargill, TX | 30.9 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78588 or measure the distance to another ZIP code.
How to address mail to 78588
123 MAIN ST
SAN ISIDRO TX 78588
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (78588-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78588?
- 78588 is a San Isidro, Texas ZIP code.
- What county is 78588 in?
- ZIP code 78588 is in Starr County, Texas.
- What time zone is ZIP code 78588 in?
- 78588 is in the Central Time zone (America/Chicago).
- What area code is 78588?
- Phone numbers in ZIP code 78588 use area codes 361 and 956.
- What is the population of ZIP code 78588?
- About 289 people live in ZIP code 78588, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78588?
- The median household income in 78588 is $94,821 a year, higher than 81% of Texas ZIP codes.
- What ZIP codes are near 78588?
- The nearest ZIP codes to 78588 are 78536 (Delmita, 3.6 miles), 78591 (Santa Elena, 10.1 miles), 78563 (Linn, 14 miles) and 78541 (Edinburg, 21.3 miles).