29 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 78542 | Edinburg | 86,111 |
| 78577 | Pharr | 79,903 |
| 78572 | Mission | 78,197 |
| 78574 | Mission | 62,852 |
| 78504 | Mcallen | 61,816 |
| 78501 | Mcallen | 59,095 |
| 78537 | Donna | 51,346 |
| 78541 | Edinburg | 49,395 |
| 78573 | Mission | 42,874 |
| 78589 | San Juan | 39,958 |
| 78596 | Weslaco | 38,942 |
| 78539 | Edinburg | 38,162 |
| 78599 | Weslaco | 35,400 |
| 78516 | Alamo | 34,960 |
| 78570 | Mercedes | 33,596 |
| 78503 | Mcallen | 22,566 |
| 78557 | Hidalgo | 14,250 |
| 78576 | Penitas | 13,902 |
| 78538 | Edcouch | 10,740 |
| 78543 | Elsa | 8,608 |
| 78595 | Sullivan City | 5,958 |
| 78560 | La Joya | 4,618 |
| 78562 | La Villa | 3,146 |
| 78579 | Progreso | 2,548 |
| 78558 | La Blanca | 905 |
| 78549 | Hargill | 876 |
| 78565 | Los Ebanos | 63 |
| 78563 | Linn | 62 |
| 78540 | Edinburg | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 29 ZCTAs in Hidalgo County, Texas (US Census).