Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Brownsville (city), TX | 186,738 |
| 2 | Harlingen (city), TX | 71,829 |
| 3 | Weslaco (city), TX | 40,160 |
| 4 | San Juan (city), TX | 35,294 |
| 5 | San Benito (city), TX | 24,861 |
| 6 | Alamo (city), TX | 19,493 |
| 7 | Donna (city), TX | 16,797 |
| 8 | Mercedes (city), TX | 16,258 |
| 9 | Raymondville (city), TX | 10,236 |
| 10 | Los Fresnos (city), TX | 8,114 |
| 11 | La Feria (city), TX | 6,817 |
| 12 | Mila Doce (CDP), TX | 6,162 |
| 13 | Cameron Park (CDP), TX | 6,099 |
| 14 | Elsa (city), TX | 5,668 |
| 15 | Primera (town), TX | 5,257 |
| 16 | Progreso (city), TX | 4,807 |
| 17 | Olivarez (CDP), TX | 4,248 |
| 18 | Midway North (CDP), TX | 4,232 |
| 19 | Laureles (CDP), TX | 4,111 |
| 20 | Scissors (CDP), TX | 3,758 |
Identifiers: city · CDP · town
| Rank | Community | Population |
|---|---|---|
| 1 | Brownsville (city), TX | 186,738 |
| 2 | Harlingen (city), TX | 71,829 |
| 3 | Weslaco (city), TX | 40,160 |
| 4 | San Benito (city), TX | 24,861 |
| 5 | Donna (city), TX | 16,797 |
| 6 | Mercedes (city), TX | 16,258 |
| 7 | Raymondville (city), TX | 10,236 |
| 8 | Los Fresnos (city), TX | 8,114 |
| 9 | La Feria (city), TX | 6,817 |
| 10 | Mila Doce (CDP), TX | 6,162 |
| 11 | Cameron Park (CDP), TX | 6,099 |
| 12 | Primera (town), TX | 5,257 |
| 13 | Progreso (city), TX | 4,807 |
| 14 | Olivarez (CDP), TX | 4,248 |
| 15 | Midway North (CDP), TX | 4,232 |
| 16 | Laureles (CDP), TX | 4,111 |
| 17 | La Paloma (CDP), TX | 3,218 |
| 18 | Combes (town), TX | 2,999 |
| 19 | Llano Grande (CDP), TX | 2,952 |
| 20 | Rancho Viejo (town), TX | 2,838 |