California's 25th State Senate district

California's 25th State Senate district
Current senator	Anthony Portantino D–La Cañada Flintridge
Population (2010)  • Voting age  • Citizen voting age	926,935 735,320 625,479
Demographics	52.19% White 5.17% Black 25.97% Latino 15.19% Asian 0.43% Native American 0.20% Hawaiian/Pacific Islander 0.33% other 0.52% remainder of multiracial
Registered voters	570,116
Registration	43.20% Democratic 27.30% Republican 24.71% No party preference

California's 25th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Anthony Portantino of La Cañada Flintridge.

The district encompasses the San Gabriel Mountains and its adjacent San Gabriel Valley foothill communities. It stretches from the eastern San Fernando Valley in the west to the far western Inland Empire in the east. Most of the district's population is in the western half of the district, anchored by Glendale and Pasadena.