Cities by Population (2020 Census)
The following table lists the largest cities of Puerto Rico with a population greater than 100,000 on July 1, 2020, as defined by the United States Census Bureau.
| Puerto Rico | 3,725,789 | 3,285,874 | -11.8 | |
| City | Total Population 2010 | Total Population 2020 | Percent Change | |
|---|---|---|---|---|
| 1. | San Juan | 395,326 | 342,259 | -13.4 |
| 2. | Bayamón | 208,116 | 185,187 | -11.0 |
| 3. | Carolina | 176,762 | 154,815 | -12.4 |
| 4. | Ponce | 166,327 | 137,491 | -17.3 |
| 5. | Caguas | 142,893 | 127,244 | -11.0 |
| 6. | Guaynabo | 89,780 | 89,780 | -8.3 |
| 7. | Arecibo | 96,440 | 87,754 | -9.0 |
| 8. | Toa Baja | 75,293 | 75,293 | -16.0 |
| 9. | Mayagüez | 89,080 | 73,077 | -18.0 |
| 10. | Trujillo Alto | 74,842 | 67,740 | -9.5 |
| 11. | Toa Alta | 74,066 | 66,852 | -9.7 |
| 12. | Aguadilla | 60,949 | 55,101 | -9.6 |
| 13. | Vega Baja | 59,662 | 54,414 | -8.8 |
| 14. | Humacao | 58,466 | 50,896 | -12.9 |
| 15. | Cabo Rojo | 54,304 | 47,060 | -13.3 |
| 16. | Río Grande | 54,304 | 47,060 | -13.3 |
| 17. | Juana Díaz | 50,747 | 46,538 | -8.3 |
| 18. | Isabela | 47,648 | 42,337 | -11.1 |
| 19. | Canovanas | 47,648 | 42,337 | -11.1 |
| 20. | Cayey | 48,119 | 41,652 | -13.4 |
| 21. | Gurabo | 45,369 | 40,622 | -10.5 |
| 22. | Cidra | 43,480 | 39,970 | -8.1 |
| 23. | Manatí | 44,113 | 39,492 | -10.5 |
| 24. | San Sebastian | 42,430 | 39,345 | -7.3 |
| 25. | Hatillo | 41,953 | 38,486 | -8.3 |
| 26. | Aguada | 41,959 | 38,136 | -9.1 |
| 27. | San Lorenzo | 41,058 | 37,693 | -8.2 |
| 28. | Moca | 40,109 | 37,460 | -6.6 |
| 29. | Juncos | 38,675 | 35,180 | -9.0 |
| 30. | Guayama | 45,362 | 36,614 | -19.3 |
| 31. | Dorado | 38,165 | 35,879 | -6.0 |
| 32. | Vega Alta | 39,951 | 35,395 | -11.4 |
| 33. | Las Piedras | 38,675 | 35,180 | -9.0 |
| 34. | Coamo | 40,512 | 34,668 | -14.4 |
| 35. | Corozal | 37,142 | 34,571 | -6.9 |
| 36. | Yauco | 42,043 | 34,172 | -18.7 |
| 37. | Camuy | 35,159 | 32,827 | -6.6 |
| 38. | Fajardo | 36,993 | 32,124 | -13.2 |
| 39. | San Germán | 35,527 | 31,879 | -10.3 |
| 40. | Yabucoa | 37,941 | 30,426 | -19.8 |
| 41. | Naranjito | 30,402 | 29,241 | -19.8 |
| 42. | Barranquitas | 30,318 | 28,983 | -4.4 |
| 43. | Morovis | 32,610 | 28,727 | -11.9 |
| 44. | Utuado | 33,149 | 28,287 | -14.7 |
| 45. | Lares | 30,753 | 28,105 | -8.6 |
| 46. | Salinas | 31,078 | 25,789 | -17.0 |
| 47. | Añasco | 29,261 | 25,596 | 12.5 |
| 48. | Aibonito | 25,900 | 24,637 | -4.9 |
| 49. | Aguas Buenas | 28,659 | 24,223 | -15.5 |
| 50. | Loíza | 28,659 | 24,223 | 15.5 |
| 51. | Quebradillas | 25,919 | 23,638 | -8.8 |
| 52. | Naguabo | 26,720 | 23,386 | -12.5 |
| 53. | Lajas | 26,720 | 23,386 | -12.5 |
| 54. | Cataño | 28,140 | 23,155 | -17.7 |
| 55. | Sabana Grande | 25,265 | 22,729 | -10.0 |
| 56. | Barceloneta | 24,816 | 22,657 | -8.7 |
| 57. | Villalba | 26,073 | 22,093 | -15.3 |
| 58. | Orocovis | 23,423 | 21,434 | -8.5 |
| 59. | Peñuelas | 24,282 | 20,399 | -16.0 |
| 60. | Santa Isabel | 23,274 | 20,281 | -12.9 |
| 61. | Comerio | 20,778 | 18,883 | -9.1 |
| 62. | Adjuntas | 19,483 | 18,020 | -7.5 |
| 63. | Guayanilla | 21,581 | 17,784 | -17.6 |
| 64. | Luquillo | 20,068 | 17,781 | -11.4 |
| 65. | Ciales | 18,782 | 16,984 | -9.6 |
| 66. | Patillas | 19,277 | 15,985 | -17.1 |
| 67. | Arroyo | 19,575 | 15,843 | -19.1 |
| 68. | Hormigueros | 17,250 | 15,654 | -9.3 |
| 69. | Rincón | 15,200 | 15,187 | -0.1 |
| 70. | Jayuja | 16,642 | 14,779 | -11.2 |
| 71. | Guánica | 19,427 | 13,787 | -29.0 |
| 72. | Florida | 12,680 | 11,692 | -7.8 |
| 73. | Ceiba | 13,631 | 11,307 | -17.0 |
| 74. | Maunabo | 12,225 | 10,589 | -13.4 |
| 75. | Las Marías | 9,881 | 8,874 | -10.2 |
| 76. | Vieques | 9,301 | 8,249 | -11.3 |
| 77. | Maricao | 6,276 | 4,755 | -24.2 |
| 78. | Culebra | 1,818 | 1,792 | -1.4 |
