CMS Medicare enrollment · April 2026
Puerto Rico Medicare Enrollment
State and county enrollment from CMS, including Original Medicare, Medicare Advantage and Other Health Plans, and Part D coverage.
Informational only. These enrollment counts do not compare plans or provide medical, financial, or enrollment advice.
Puerto Rico enrollment figures
- Total Medicare enrollment
- 783.5K
- Original Medicare
- 103.7K
- MA & Other share
- 86.8%
- Part D coverage
- 87.7%
783,455
103,748 beneficiaries
CMS combined delivery-system measure
687,421 beneficiaries
County enrollment
79 CMS county rows for Puerto Rico. Unavailable values remain marked as not reported rather than estimated.
| County | Total | Original Medicare | MA & Other | MA & Other share | Part D share |
|---|---|---|---|---|---|
| Adjuntas Municipio | 3,996 | 685 | 3,311 | 82.9% | 82.9% |
| Aguada Municipio | 9,822 | 876 | 8,946 | 91.1% | 91.4% |
| Aguadilla Municipio | 13,446 | 1,661 | 11,785 | 87.6% | 88.1% |
| Aguas Buenas Municipio | 5,801 | 810 | 4,991 | 86% | 86.2% |
| Aibonito Municipio | 6,718 | 874 | 5,844 | 87% | 87.2% |
| Añasco Municipio | 6,625 | 579 | 6,046 | 91.3% | 91.3% |
| Arecibo Municipio | 23,436 | 2,516 | 20,920 | 89.3% | 89.8% |
| Arroyo Municipio | 4,341 | 522 | 3,819 | 88% | 88.3% |
| Barceloneta Municipio | 5,554 | 626 | 4,928 | 88.7% | 89% |
| Barranquitas Municipio | 5,925 | 954 | 4,971 | 83.9% | 83.9% |
| Bayamón Municipio | 43,841 | 5,511 | 38,330 | 87.4% | 88.1% |
| Cabo Rojo Municipio | 10,903 | 1,303 | 9,600 | 88% | 88.8% |
| Caguas Municipio | 30,878 | 4,041 | 26,837 | 86.9% | 87.5% |
| Camuy Municipio | 8,131 | 947 | 7,184 | 88.4% | 88.3% |
| Canóvanas Municipio | 9,758 | 1,187 | 8,571 | 87.8% | 87.9% |
| Carolina Municipio | 35,150 | 4,786 | 30,364 | 86.4% | 87.5% |
| Cataño Municipio | 4,545 | 588 | 3,957 | 87.1% | 87.4% |
| Cayey Municipio | 12,079 | 1,558 | 10,521 | 87.1% | 87.2% |
| Ceiba Municipio | 2,735 | 332 | 2,403 | 87.9% | 88.3% |
| Ciales Municipio | 4,858 | 588 | 4,270 | 87.9% | 88.1% |
| Cidra Municipio | 9,338 | 1,229 | 8,109 | 86.8% | 87.1% |
| Coamo Municipio | 8,223 | 1,088 | 7,135 | 86.8% | 86.8% |
| Comerío Municipio | 3,931 | 582 | 3,349 | 85.2% | 85.4% |
| Corozal Municipio | 7,653 | 1,035 | 6,618 | 86.5% | 86.6% |
| Culebra Municipio | 357 | 83 | 274 | 76.8% | 80.7% |
| Dorado Municipio | 7,611 | 1,034 | 6,577 | 86.4% | 88.8% |
| Fajardo Municipio | 7,332 | 942 | 6,390 | 87.2% | 87.7% |
| Florida Municipio | 3,722 | 516 | 3,206 | 86.1% | 86.2% |
| Guánica Municipio | 3,799 | 432 | 3,367 | 88.6% | 88.5% |
| Guayama Municipio | 8,560 | 884 | 7,676 | 89.7% | 90% |
| Guayanilla Municipio | 5,334 | 689 | 4,645 | 87.1% | 87.4% |
| Guaynabo Municipio | 20,257 | 4,249 | 16,008 | 79% | 85.3% |
| Gurabo Municipio | 8,448 | 1,117 | 7,331 | 86.8% | 87.2% |
| Hatillo Municipio | 8,515 | 1,084 | 7,431 | 87.3% | 87.7% |
| Hormigueros Municipio | 4,424 | 391 | 4,033 | 91.2% | 91.3% |
| Humacao Municipio | 14,311 | 1,589 | 12,722 | 88.9% | 89.6% |
| Isabela Municipio | 10,315 | 1,099 | 9,216 | 89.3% | 89.4% |
| Jayuya Municipio | 3,503 | 537 | 2,966 | 84.7% | 84.6% |
| Juana Díaz Municipio | 9,598 | 1,032 | 8,566 | 89.2% | 89.2% |
| Juncos Municipio | 8,403 | 955 | 7,448 | 88.6% | 88.8% |
| Lajas Municipio | 5,685 | 685 | 5,000 | 88% | 88.4% |
| Lares Municipio | 7,349 | 1,260 | 6,089 | 82.9% | 82.8% |
| Las Marías Municipio | 2,105 | 307 | 1,798 | 85.4% | 85.1% |
| Las Piedras Municipio | 8,616 | 741 | 7,875 | 91.4% | 91.3% |
| Loíza Municipio | 3,933 | 626 | 3,307 | 84.1% | 84.2% |
| Luquillo Municipio | 4,112 | 578 | 3,534 | 85.9% | 86.9% |
| Manatí Municipio | 10,136 | 1,000 | 9,136 | 90.1% | 90.8% |
| Maricao Municipio | 1,193 | 227 | 966 | 81% | 81.3% |
| Maunabo Municipio | 3,139 | 386 | 2,753 | 87.7% | 88.1% |
| Mayagüez Municipio | 19,329 | 2,149 | 17,180 | 88.9% | 89.8% |
| Moca Municipio | 8,942 | 897 | 8,045 | 90% | 90% |
| Morovis Municipio | 6,759 | 747 | 6,012 | 88.9% | 89.1% |
| Naguabo Municipio | 5,276 | 628 | 4,648 | 88.1% | 88% |
| Naranjito Municipio | 6,564 | 841 | 5,723 | 87.2% | 87.3% |
| Orocovis Municipio | 5,226 | 708 | 4,518 | 86.5% | 86.4% |
| Patillas Municipio | 4,887 | 552 | 4,335 | 88.7% | 88.8% |
| Peñuelas Municipio | 4,997 | 514 | 4,483 | 89.7% | 89.6% |
| Ponce Municipio | 34,730 | 4,113 | 30,617 | 88.2% | 89.1% |
| Quebradillas Municipio | 6,439 | 854 | 5,585 | 86.7% | 87% |
| Rincón Municipio | 3,871 | 495 | 3,376 | 87.2% | 88.5% |
| Río Grande Municipio | 10,464 | 1,153 | 9,311 | 89% | 89.4% |
| Sabana Grande Municipio | 5,928 | 621 | 5,307 | 89.5% | 89.5% |
| Salinas Municipio | 6,673 | 808 | 5,865 | 87.9% | 88.3% |
| San Germán Municipio | 7,689 | 935 | 6,754 | 87.8% | 88.2% |
| San Juan Municipio | 76,430 | 16,287 | 60,143 | 78.7% | 83.2% |
| San Lorenzo Municipio | 9,032 | 969 | 8,063 | 89.3% | 89.3% |
| San Sebastián Municipio | 11,105 | 1,096 | 10,009 | 90.1% | 90.5% |
| Santa Isabel Municipio | 4,399 | 541 | 3,858 | 87.7% | 87.6% |
| Toa Alta Municipio | 13,045 | 1,512 | 11,533 | 88.4% | 88.6% |
| Toa Baja Municipio | 17,112 | 2,043 | 15,069 | 88.1% | 88.4% |
| Trujillo Alto Municipio | 12,175 | 1,701 | 10,474 | 86% | 87.2% |
| Unknown | Not reported | Not reported | Not reported | Not reported | Not reported |
| Utuado Municipio | 7,151 | 1,045 | 6,106 | 85.4% | 85.5% |
| Vega Alta Municipio | 8,570 | 912 | 7,658 | 89.4% | 89.8% |
| Vega Baja Municipio | 12,537 | 1,189 | 11,348 | 90.5% | 90.8% |
| Vieques Municipio | 1,646 | 359 | 1,287 | 78.2% | 80.7% |
| Villalba Municipio | 5,605 | 797 | 4,808 | 85.8% | 85.9% |
| Yabucoa Municipio | 9,110 | 960 | 8,150 | 89.5% | 89.4% |
| Yauco Municipio | 9,320 | 1,001 | 8,319 | 89.3% | 89.3% |
Source and interpretation
CMS Medicare Monthly Enrollment, April 2026, published 2026-07-23. “MA & Other” retains the official combined CMS field label.
- CMS suppresses some small counts with an asterisk; suppressed values remain null in this snapshot.
- Medicare Advantage and Other Health Plans is the CMS-published combined measure and is not limited to Medicare Advantage alone.
- Enrollment counts describe a reporting month and do not compare plan benefits, provider networks, quality, or personal costs.