California's 27th State Senate district

California's 27th State Senate district
Current senator	Henry Stern D–Canoga Park
Population (2010)  • Voting age  • Citizen voting age	935,656 717,882 587,906
Demographics	58.17% White 3.03% Black 24.84% Latino 12.47% Asian 0.47% Native American 0.20% Hawaiian/Pacific Islander 0.32% other 0.49% remainder of multiracial
Registered voters	566,608
Registration	41.76% Democratic 29.99% Republican 23.31% No party preference

California's 27th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Henry Stern of Canoga Park.

The district straddles the Los Angeles–Ventura county border and encompasses most of Los Angeles's western suburbs. The district also includes the Conejo Valley, parts of the San Fernando Valley, and a slice of the Santa Clarita Valley.