California's 20th State Assembly district

California's 20th State Assembly district
Current assemblymember	Bill Quirk D–Hayward
Population (2010)  • Voting age  • Citizen voting age	461,362 348,027 266,963
Demographics	25.82% White 8.65% Black 28.77% Latino 32.76% Asian 0.56% Native American 1.67% Hawaiian/Pacific Islander 0.28% other 1.49% remainder of multiracial
Registered voters	233,345
Registration	54.70% Democratic 13.93% Republican 27.22% No party preference

California's 20th State Assembly district is one of 80 California State Assembly districts. It is represented by Democrat Bill Quirk of Hayward.

The district is located in the central East Bay, centered on Hayward. The district is a major gateway between the Tri-Valley to the east, Silicon Valley to the south, and the rest of the San Francisco Bay Area.