Puerto Rico has 0 cities with more than a million people, 4 cities with between 100,000 and 1 million people, and 27 cities with between 10,000 and 100,000 people. The largest city in Puerto Rico is , with a population of people.
| Name | 2021 Population |
|---|---|
| San Juan | 418,140 |
| Bayamon | 203,499 |
| Carolina | 170,404 |
| Ponce | 152,634 |
| Caguas | 86,804 |
| Guaynabo | 81,360 |
| Mayagueez | 78,647 |
| Trujillo Alto | 54,189 |
| Arecibo | 49,318 |
| Fajardo | 34,068 |
| Levittown | 29,785 |
| Vega Baja | 29,325 |
| Catano | 28,093 |
| Barceloneta | 22,322 |
| Guayama | 21,575 |
| Humacao | 20,387 |
| Yauco | 20,295 |
| Cayey | 18,494 |
| Candelaria | 17,631 |
| Manati | 16,092 |
| Aguadilla | 16,073 |
| Rio Grande | 13,467 |
| Dorado | 13,117 |
| Isabela | 12,505 |
| San German | 12,055 |
| Vega Alta | 12,036 |
| Coamo | 11,940 |
| Hormigueros | 11,934 |
| San Sebastian | 11,590 |
| Corozal | 11,297 |
| Cabo Rojo | 10,839 |
| Utuado | 9,844 |
| Pajaros | 9,466 |
| Juana Diaz | 9,427 |
| San Lorenzo | 9,373 |
| Isabel Segunda | 9,301 |
| Guanica | 9,224 |
| Gurabo | 8,973 |
| Sabana Grande | 8,961 |
| Aibonito | 8,947 |
| Juncos | 8,905 |
| Canovanas | 8,437 |
| Luquillo | 8,326 |
| San Isidro | 8,071 |
| Campanilla | 7,757 |
| Arroyo | 7,520 |
| Santa Isabel | 7,260 |
| Lares | 7,184 |
| Yabucoa | 6,952 |
| Penuelas | 6,847 |
| Las Piedras | 6,655 |
| Ceiba | 6,576 |
| San Antonio | 6,456 |
| Salinas | 6,375 |
| Ceiba | 6,277 |
| Sabana Seca | 6,247 |
| Puerto Real | 6,166 |
| Anasco | 6,136 |
| Estancias de Florida | 5,972 |
| Candelaria Arenas | 5,854 |
| Punta Santiago | 5,803 |
| Coco | 5,803 |
| Ingenio | 5,664 |
| Florida | 5,652 |
| Hatillo | 5,622 |
| Quebradillas | 5,620 |
| Lajas | 5,255 |
| Guayanilla | 5,213 |
| Santa Barbara | 5,168 |
| Adjuntas | 5,080 |
| Cidra | 5,067 |
| Moca | 4,964 |
| Comerio | 4,649 |
| Naguabo | 4,643 |
| Aguas Buenas | 4,576 |
| Villalba | 4,555 |
| Toa Alta | 4,483 |
| Loiza | 4,311 |
| Patillas | 4,247 |
| Camuy | 4,240 |
| Aguada | 4,040 |
| Jayuya | 3,587 |
| Ciales | 3,256 |
| Barranquitas | 3,021 |
| Morovis | 2,414 |
| Maunabo | 2,154 |
| Naranjito | 2,005 |
| Toa Baja | 1,889 |
| Rincon | 1,499 |
| Culebra | 1,486 |
| Maricao | 1,172 |
| Las Marias | 1,031 |
| Orocovis | 944 |