ZIP code 78543
Where is ZIP code 78543?
Elsa, Texas
Hidalgo County · PO Box only ZIP code
ZIP code 78543 belongs to Elsa, Texas in Hidalgo County. 78543 is a PO Box only ZIP code: it is used for post office boxes at the Elsa post office, not for street addresses. It is in the Central Time zone and uses area code 956. About 8,400 people live in the 78543 area, where the median household income is $44,527. The closest ZIP codes are 78538 (Edcouch, 2.9 mi northeast), 78558 (La Blanca, 3.1 mi west) and 78562 (La Villa, 3.9 mi east).
| ZIP code | 78543 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Elsa |
| State | Texas (TX) |
| County | Hidalgo County |
| Time zone | Central Time · now |
| Area code | 956 |
| Coordinates | 26.2974, -97.9884 map |
| 3-digit prefix | 785 |
Population and income in 78543
| Population | 8,400 · higher than 55% of Texas ZIP codes |
|---|---|
| People per square mile | 1,321 · higher than 74% of Texas ZIP codes |
| Median age | 33.2 years · lower than 79% of Texas ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $44,527 · lower than 91% of Texas ZIP codes |
| Income per person | $20,527 |
| Below the poverty line | 28% |
| Bachelor’s degree or higher | 6.6% of adults 25+ |
| Median home value | $87,800 · lower than 93% of Texas ZIP codes |
| Median rent | $844 a month |
| Housing units | 3,129 |
| Households | 2,834 (2.96 people on average) |
| Owners / renters | 75% / 26% |
| Land area | 6.36 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78543. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78543
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78538 | Edcouch, TX | 2.9 mi NE | Standard |
| 78558 | La Blanca, TX | 3.1 mi W | PO Box only |
| 78562 | La Villa, TX | 3.9 mi E | PO Box only |
| 78596 | Weslaco, TX | 8.8 mi S | Standard |
| 78599 | Weslaco, TX | 9.5 mi S | Standard |
| 78537 | Donna, TX | 9.9 mi SW | Standard |
| 78593 | Santa Rosa, TX | 10.5 mi E | Standard |
| 78516 | Alamo, TX | 10.8 mi SW | Standard |
| 78540 | Edinburg, TX | 10.8 mi W | PO Box only |
| 78570 | Mercedes, TX | 11 mi SE | Standard |
| 78594 | Sebastian, TX | 11.4 mi E | PO Box only |
| 78589 | San Juan, TX | 12.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78543 or measure the distance to another ZIP code.
How to address mail to 78543
PO BOX 123
ELSA TX 78543
Put the city, the two-letter state code and the ZIP code on the last line. Avoid Engelman: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (78543-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78543?
- 78543 is a Elsa, Texas ZIP code.
- What county is 78543 in?
- ZIP code 78543 is in Hidalgo County, Texas.
- What time zone is ZIP code 78543 in?
- 78543 is in the Central Time zone (America/Chicago).
- What area code is 78543?
- Phone numbers in ZIP code 78543 use area code 956.
- What is the population of ZIP code 78543?
- About 8,400 people live in ZIP code 78543, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78543?
- The median household income in 78543 is $44,527 a year, lower than 91% of Texas ZIP codes.
- Can I use 78543 for a street address?
- No. 78543 is only for PO Boxes. Street addresses in Elsa use another ZIP code.
- What ZIP codes are near 78543?
- The nearest ZIP codes to 78543 are 78538 (Edcouch, 2.9 miles), 78558 (La Blanca, 3.1 miles), 78562 (La Villa, 3.9 miles) and 78596 (Weslaco, 8.8 miles).