Puerto Rico senatorial districts

The Senate of Puerto Rico has eight senatorial districts (). They elect 16 of the 27 Senators (with the others being elected at-large).

List
 District  Municipalities/Barrios  PopulationDistritos Senatoriales 2011  on RedistribucionElectoral2010 I - San Juan 
San Juan
Aguas Buenas
some regions of Guaynabo 462,035 II - Bayamón 
Bayamón
Cataño
some regions of Guaynabo
Toa Alta
Toa Baja 459,805 III - Arecibo 
Arecibo
Barceloneta
Camuy
Ciales
Dorado
Florida
Hatillo
Manatí
Morovis
Quebradillas
Vega Alta
Vega Baja 470,250 IV - Mayagüez-Aguadilla 
Aguada
Aguadilla
Añasco
Cabo Rojo
Hormigueros
Isabela
Las Marías
Mayagüez
Moca
Rincón
San Germán
San Sebastián 478,194 V - Ponce 
Adjuntas
Guánica
Guayanilla
Jayuya
some regions of Juana Díaz
Lajas
Lares
Maricao
Peñuelas
Ponce
Sabana Grande
Utuado
Yauco 464,962 VI - Guayama 
Aibonito
Arroyo
Barranquitas
Cayey
Cidra
Coamo
Comerío
Corozal
Guayama
some regions of Juana Díaz
Naranjito
Orocovis
Salinas
Santa Isabel
Villalba 462,202 VII - HumacaoCaguas
Gurabo
Humacao
Juncos
Las Piedras
Maunabo
Naguabo
Patillas
San Lorenzo
Yabucoa 462,914 VIII - Carolina 
Canóvanas
Carolina
Ceiba
Culebra
Fajardo
Loíza
Luquillo
Río Grande
Trujillo Alto
Vieques 465,427

References