56 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| McAllen | 1 | 150,377 | 142,401 | 1.07% | 2,412 | 62 | City |
| Edinburg | 2 | 110,724 | 100,767 | 1.83% | 2,476 | 45 | City |
| Mission | 3 | 89,251 | 85,864 | 0.76% | 2,457 | 36 | City |
| Pharr | 4 | 81,466 | 79,845 | 0.4% | 3,432 | 24 | City |
| Weslaco | 5 | 44,673 | 40,628 | 1.84% | 2,645 | 17 | City |
| San Juan | 6 | 37,834 | 35,369 | 1.32% | 3,168 | 12 | City |
| Alton | 7 | 24,042 | 18,366 | 4.95% | 3,201 | 8 | City |
| Alamo | 8 | 20,951 | 19,666 | 1.24% | 2,738 | 8 | City |
| Mercedes | 9 | 17,852 | 16,267 | 1.81% | 1,513 | 12 | City |
| Donna | 10 | 16,893 | 16,807 | 0.1% | 2,037 | 8 | City |
| Palmview | 11 | 16,077 | 15,839 | 0.29% | 2,121 | 8 | City |
| Hidalgo | 12 | 15,453 | 14,006 | 1.91% | 1,851 | 8 | City |
| La Homa | 13 | 10,330 | 11,066 | -1.05% | 1,636 | 6 | CDP |
| Murillo | 14 | 9,094 | 9,331 | 1.3% | 1,571 | 6 | CDP |
| Mila Doce | 15 | 7,887 | 6,901 | 1.43% | 2,400 | 3 | CDP |
| Salida Sol Estates | 16 | 7,715 | 5,728 | 7.14% | 3,280 | 2 | CDP |
| Olivarez | 17 | 7,610 | 7,293 | 3.44% | 2,065 | 4 | CDP |
| Doolittle | 18 | 6,831 | 5,058 | 4.12% | 1,595 | 4 | CDP |
| Penitas | 19 | 6,597 | 6,450 | 0.44% | 704 | 9 | City |
| Elsa | 20 | 5,769 | 5,673 | 0.33% | 2,764 | 2 | City |
| North Alamo | 21 | 5,604 | 3,977 | 2.9% | 3,919 | 1 | CDP |
| La Joya | 22 | 5,286 | 4,499 | 3.06% | 1,257 | 4 | City |
| Progreso | 23 | 5,270 | 4,828 | 1.7% | 1,760 | 3 | City |
| Doffing | 24 | 5,238 | 4,864 | 0.17% | 1,209 | 4 | CDP |
| San Carlos | 25 | 4,304 | 3,945 | 1.85% | 2,381 | 2 | CDP |
| Sullivan City | 26 | 3,897 | 3,910 | -0.08% | 1,086 | 4 | City |
| Midway North | 27 | 3,853 | 3,967 | -1.53% | 2,166 | 2 | CDP |
| Scissors | 28 | 3,787 | 3,511 | 1.07% | 2,376 | 2 | CDP |
| La Blanca | 29 | 3,536 | 2,502 | 2.02% | 856 | 4 | CDP |
| South Alamo | 30 | 3,451 | 2,532 | 0.17% | 1,694 | 2 | CDP |
| Indian Hills | 31 | 3,337 | 2,600 | 1.49% | 1,370 | 2 | CDP |
| La Villa | 32 | 3,265 | 2,833 | 2.71% | 5,478 | 1 | City |
| Citrus City | 33 | 3,070 | 2,957 | 1.66% | 1,480 | 2 | CDP |
| Edcouch | 34 | 2,672 | 2,775 | -0.78% | 2,582 | 1 | City |
| Palmhurst | 35 | 2,602 | 2,602 | 0% | 585 | 4 | City |
| Midway South | 36 | 2,464 | 2,293 | 0.61% | 2,517 | 1 | CDP |
| Perezville | 37 | 2,035 | 2,679 | -9.88% | 2,706 | 1 | CDP |
| Abram | 38 | 1,923 | 1,566 | -0.52% | 627 | 3 | CDP |
| Llano Grande | 39 | 1,829 | 2,023 | -4.14% | 1,150 | 2 | CDP |
| César Chávez | 40 | 1,789 | 709 | -0.5% | 693 | 3 | CDP |
| Heidelberg | 41 | 1,698 | 1,724 | -0.06% | 643 | 3 | CDP |
| Monte Alto | 42 | 1,602 | 1,667 | -1.29% | 712 | 2 | CDP |
| West Sharyland | 43 | 1,570 | 1,608 | -3.09% | 1,335 | 1 | CDP |
| Palmview South | 44 | 1,282 | 2,820 | -18.29% | 1,519 | 1 | CDP |
| Lopezville | 45 | 1,223 | 2,092 | -14.48% | 1,580 | 1 | CDP |
| Hargill | 46 | 828 | 1,083 | -0.48% | 968 | 1 | CDP |
| Linn | 47 | 748 | 702 | -0.53% | 15 | 49 | CDP |
| Muniz | 48 | 622 | 1,346 | -7.44% | 586 | 1 | CDP |
| Relampago | 49 | 332 | 387 | 4.08% | 216 | 2 | CDP |
| Granjeno | 50 | 290 | 284 | 0.35% | 954 | 0 | City |
| Laguna Seca | 51 | 280 | 244 | 0.36% | 123 | 2 | CDP |
| Progreso Lakes | 52 | 279 | 256 | 1.45% | 133 | 2 | City |
| La Coma Heights | 53 | 215 | 60 | 6.97% | 219 | 1 | CDP |
| Havana | 54 | 208 | 506 | -6.31% | 257 | 1 | CDP |
| Los Ebanos | 55 | 104 | 530 | -10.34% | 3,467 | 0 | CDP |
| San Juan | 56 | 87 | 143 | -2.25% | 2,351 | 0 | CDP |
McAllen is the largest city in Hidalgo County, with a population of 150,377.
San Juan is the smallest city in Hidalgo County, with a population of 87.
There are 56 cities in Hidalgo County, Texas.