Senatorial district II covers the municipalities of
Bayamón,
Cataño,
Toa Alta,
Toa Baja, and some regions of
Guaynabo. It has an approximate population of 459,805. In previous distributions, the territory covered by senatorial district II has changed. Originally, the district included both
Toa Alta and
Toa Baja, but in the 1991 redistribution, Toa Alta was assigned to the
district of Arecibo. In the 2002 redistribution, Toa Alta was reassigned to the district, but some regions of
Guaynabo were assigned to the
district of San Juan. ==Election results==