ZIP code 78592
Where is ZIP code 78592?
Santa Maria, Texas
Cameron County · PO Box only ZIP code
ZIP code 78592 belongs to Santa Maria, Texas in Cameron County. 78592 is a PO Box only ZIP code: it is used for post office boxes at the Santa Maria post office, not for street addresses. It is in the Central Time zone and uses area code 956. About 677 people live in the 78592 area. The closest ZIP codes are 78559 (La Feria, 6.2 mi north), 78579 (Progreso, 6.5 mi west) and 78570 (Mercedes, 6.6 mi northwest).
| ZIP code | 78592 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Santa Maria |
| State | Texas (TX) |
| County | Cameron County |
| Time zone | Central Time · now |
| Area code | 956 |
| Coordinates | 26.0787, -97.8494 map |
| 3-digit prefix | 785 |
Population and income in 78592
| Population | 677 · lower than 80% of Texas ZIP codes |
|---|---|
| People per square mile | 196 · higher than 59% of Texas ZIP codes |
| Median age | 50.7 years · higher than 88% of Texas ZIP codes |
| Men / women | 49% / 51% |
| Income per person | $17,172 |
| Below the poverty line | 37% |
| Bachelor’s degree or higher | 2.6% of adults 25+ |
| Median home value | $76,700 · lower than 96% of Texas ZIP codes |
| Housing units | 278 |
| Households | 253 (2.68 people on average) |
| Owners / renters | 100% / 0.0% |
| Land area | 3.46 sq mi (plus 0.14 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78592. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78592
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78559 | La Feria, TX | 6.2 mi N | Standard |
| 78579 | Progreso, TX | 6.5 mi W | PO Box only |
| 78570 | Mercedes, TX | 6.6 mi NW | Standard |
| 78567 | Los Indios, TX | 6.8 mi E | PO Box only |
| 78552 | Harlingen, TX | 9.6 mi NE | Standard |
| 78599 | Weslaco, TX | 10.4 mi NW | Standard |
| 78596 | Weslaco, TX | 10.7 mi NW | Standard |
| 78553 | Harlingen, TX | 12.3 mi NE | PO Box only |
| 78593 | Santa Rosa, TX | 12.3 mi N | Standard |
| 78550 | Harlingen, TX | 12.8 mi NE | Standard |
| 78586 | San Benito, TX | 13.3 mi E | Standard |
| 78535 | Combes, TX | 13.3 mi NE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78592 or measure the distance to another ZIP code.
How to address mail to 78592
PO BOX 123
SANTA MARIA TX 78592
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Bluetown: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (78592-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78592?
- 78592 is a Santa Maria, Texas ZIP code.
- What county is 78592 in?
- ZIP code 78592 is in Cameron County, Texas.
- What time zone is ZIP code 78592 in?
- 78592 is in the Central Time zone (America/Chicago).
- What area code is 78592?
- Phone numbers in ZIP code 78592 use area code 956.
- What is the population of ZIP code 78592?
- About 677 people live in ZIP code 78592, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 78592 for a street address?
- No. 78592 is only for PO Boxes. Street addresses in Santa Maria use another ZIP code.
- What ZIP codes are near 78592?
- The nearest ZIP codes to 78592 are 78559 (La Feria, 6.2 miles), 78579 (Progreso, 6.5 miles), 78570 (Mercedes, 6.6 miles) and 78567 (Los Indios, 6.8 miles).