California's 20th State Senate district

California's 20th State Senate district
Current senator	Connie Leyva D–Chino
Population (2010)  • Voting age  • Citizen voting age	935,935 645,309 465,480
Demographics	15.74% White 8.45% Black 68.41% Latino 6.02% Asian 0.40% Native American 0.28% Hawaiian/Pacific Islander 0.24% other 0.45% remainder of multiracial
Registered voters	375,560
Registration	49.16% Democratic 21.12% Republican 24.82% No party preference

California's 20th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Connie Leyva of Chino.

The district encompasses parts of the Inland Empire. The district connects the San Gabriel Valley to the desert communities in the east.