ZIP code 78594
Where is ZIP code 78594?
Sebastian, Texas
Willacy County · PO Box only ZIP code
ZIP code 78594 belongs to Sebastian, Texas in Willacy County. 78594 is a PO Box only ZIP code: it is used for post office boxes at the Sebastian post office, not for street addresses. It is in the Central Time zone and uses area code 956. About 1,206 people live in the 78594 area, where the median household income is $23,307. The closest ZIP codes are 78569 (Lyford, 4.9 mi northeast), 78593 (Santa Rosa, 6.2 mi south) and 78562 (La Villa, 7.6 mi southwest).
| ZIP code | 78594 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Sebastian |
| State | Texas (TX) |
| County | Willacy County |
| Time zone | Central Time · now |
| Area code | 956 |
| Coordinates | 26.344, -97.8123 map |
| 3-digit prefix | 785 |
Population and income in 78594
| Population | 1,206 · lower than 73% of Texas ZIP codes |
|---|---|
| People per square mile | 381 · higher than 64% of Texas ZIP codes |
| Median age | 41 years · higher than 64% of Texas ZIP codes |
| Men / women | 43% / 57% |
| Median household income | $23,307 · lower than 100% of Texas ZIP codes |
| Income per person | $14,671 |
| Below the poverty line | 46% |
| Bachelor’s degree or higher | 1.5% of adults 25+ |
| Median home value | $38,300 · lower than 100% of Texas ZIP codes |
| Median rent | $326 a month |
| Housing units | 559 |
| Households | 495 (2.44 people on average) |
| Owners / renters | 62% / 38% |
| Land area | 3.17 sq mi (plus 0.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78594. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78594
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78569 | Lyford, TX | 4.9 mi NE | Standard |
| 78593 | Santa Rosa, TX | 6.2 mi S | Standard |
| 78562 | La Villa, TX | 7.6 mi SW | PO Box only |
| 78535 | Combes, TX | 8.1 mi SE | PO Box only |
| 78551 | Harlingen, TX | 8.9 mi SE | PO Box only |
| 78538 | Edcouch, TX | 9.3 mi W | Standard |
| 78580 | Raymondville, TX | 9.4 mi N | Standard |
| 78561 | Lasara, TX | 10.3 mi NW | PO Box only |
| 78543 | Elsa, TX | 11.4 mi W | PO Box only |
| 78552 | Harlingen, TX | 11.8 mi S | Standard |
| 78559 | La Feria, TX | 12.3 mi S | Standard |
| 78553 | Harlingen, TX | 12.8 mi SE | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78594 or measure the distance to another ZIP code.
How to address mail to 78594
PO BOX 123
SEBASTIAN TX 78594
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (78594-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78594?
- 78594 is a Sebastian, Texas ZIP code.
- What county is 78594 in?
- ZIP code 78594 is in Willacy County, Texas.
- What time zone is ZIP code 78594 in?
- 78594 is in the Central Time zone (America/Chicago).
- What area code is 78594?
- Phone numbers in ZIP code 78594 use area code 956.
- What is the population of ZIP code 78594?
- About 1,206 people live in ZIP code 78594, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78594?
- The median household income in 78594 is $23,307 a year, lower than 100% of Texas ZIP codes.
- Can I use 78594 for a street address?
- No. 78594 is only for PO Boxes. Street addresses in Sebastian use another ZIP code.
- What ZIP codes are near 78594?
- The nearest ZIP codes to 78594 are 78569 (Lyford, 4.9 miles), 78593 (Santa Rosa, 6.2 miles), 78562 (La Villa, 7.6 miles) and 78535 (Combes, 8.1 miles).