California's 1st senatorial district

California's 1st State Senate district
California's 1st State Senate district
Current senator
	Megan Dahle; R–Bieber
Population (2010); • Voting age; • Citizen voting age	935,336; 728,887; 672,832
Demographics	79.41% White; 1.84% Black; 10.73% Latino; 4.59% Asian; 2.52% Native American; 0.27% Hawaiian/Pacific Islander; 0.27% other; 0.37% remainder of multiracial;
Registered voters	618,334
Registration	42.07% Republican; 30.27% Democratic; 19.85% No party preference

California's 1st state senatorial district is one of 40 California State Senate districts. The district is represented by Republican Megan Dahle of Bieber.