| | City | Population |
| 1. | San Juan | 418,140 |
| 2. | Bayamon Gardens | 203,593 |
| 3. | Bayamon | 203,499 |
| 4. | Carolina | 170,404 |
| 5. | Ponce | 152,634 |
| 6. | Caguas | 86,804 |
| 7. | Guaynabo | 81,360 |
| 8. | Mayagueez | 78,647 |
| 9. | Trujillo Alto | 54,189 |
| 10. | Arecibo | 49,318 |
| 11. | Arecibo Gardens | 49,187 |
| 12. | Fajardo | 34,068 |
| 13. | Levittown | 29,785 |
| 14. | Vega Baja | 29,325 |
| 15. | Catano | 28,093 |
| 16. | Guayama | 21,575 |
| 17. | Humacao | 20,387 |
| 18. | Yauco | 20,295 |
| 19. | Cayey | 18,494 |
| 20. | Candelaria | 17,631 |
| 21. | Manati | 16,092 |
| 22. | Aguadilla | 16,073 |
| 23. | Rio Grande | 13,467 |
| 24. | Dorado | 13,117 |
| 25. | Isabela | 12,505 |
| 26. | San German | 12,055 |
| 27. | Vega Alta | 12,036 |
| 28. | Coamo | 11,940 |
| 29. | Hormigueros | 11,934 |
| 30. | San Sebastian | 11,590 |
| 31. | Corozal | 11,297 |
| 32. | Cabo Rojo | 10,839 |
| 33. | Utuado | 9,844 |
| 34. | Pajaros | 9,466 |
| 35. | Juana Diaz | 9,427 |
| 36. | San Lorenzo | 9,373 |
| 37. | Guanica | 9,224 |
| 38. | Gurabo | 8,973 |
| 39. | Sabana Grande | 8,961 |
| 40. | Aibonito | 8,947 |
| 41. | Juncos | 8,905 |
| 42. | Canovanas | 8,437 |
| 43. | Luquillo | 8,326 |
| 44. | San Isidro | 8,071 |
| 45. | Campanilla | 7,757 |
| 46. | Arroyo | 7,520 |
| 47. | Santa Isabel | 7,260 |
| 48. | Lares | 7,184 |
| 49. | Yabucoa | 6,952 |
| 50. | Penuelas | 6,847 |
| 51. | Las Piedras | 6,655 |
| 52. | Ceiba | 6,576 |
| 53. | San Antonio | 6,456 |
| 54. | Salinas | 6,375 |
| 55. | Ceiba | 6,277 |
| 56. | Sabana Seca | 6,247 |
| 57. | Puerto Real | 6,166 |
| 58. | Anasco | 6,136 |
| 59. | Estancias de Florida | 5,972 |
| 60. | Candelaria Arenas | 5,854 |
| 61. | Punta Santiago | 5,803 |
| 62. | Coco | 5,803 |
| 63. | Ingenio | 5,664 |
| 64. | Florida | 5,652 |
| 65. | Hatillo | 5,622 |
| 66. | Quebradillas | 5,620 |
| 67. | Lajas | 5,255 |
| 68. | Guayanilla | 5,213 |
| 69. | Santa Barbara | 5,168 |
| 70. | Adjuntas | 5,080 |
| 71. | Cidra | 5,067 |
| 72. | Moca | 4,964 |
| 73. | Aguilita | 4,922 |
| 74. | Comerio | 4,649 |
| 75. | Naguabo | 4,643 |
| 76. | Aguas Buenas | 4,576 |
| 77. | Villalba | 4,555 |
| 78. | Barceloneta | 4,494 |
| 79. | Toa Alta | 4,483 |
| 80. | Celada | 4,435 |
| 81. | Vieques | 4,325 |
| 82. | Loiza | 4,311 |
| 83. | Patillas | 4,247 |
| 84. | Camuy | 4,240 |
| 85. | Aguada | 4,040 |
| 86. | Caban | 3,959 |
| 87. | Bajadero | 3,877 |
| 88. | Potala Pastillo | 3,819 |
| 89. | Santo Domingo | 3,633 |
| 90. | Coto Laurel | 3,606 |
| 91. | Coqui | 3,590 |
| 92. | Jayuya | 3,587 |
| 93. | Luyando | 3,553 |
| 94. | La Dolores | 3,534 |
| 95. | Aguas Claras | 3,499 |
| 96. | Jobos | 3,475 |
| 97. | Luis Llorens Torres | 3,328 |
| 98. | San Jose | 3,278 |
| 99. | Ciales | 3,256 |
| 100. | Campo Rico | 3,218 |
The Source for World Rankings