Puerto Rico senatorial districts

Current senatorial districts of Puerto Rico (2011).

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

List

District	Municipalities/Barrios	Population
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 - Humacao	Caguas 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