California's 37th State Senate district

California's 37th State Senate district
Current senator	John Moorlach R–Costa Mesa
Population (2010)  • Voting age  • Citizen voting age	937,986 734,844 613,024
Demographics	56.00% White 1.56% Black 21.67% Latino 19.20% Asian 0.47% Native American 0.32% Hawaiian/Pacific Islander 0.29% other 0.48% remainder of multiracial
Registered voters	485,847
Registration	41.69% Republican 30.57% Democratic 23.52% No party preference

California's 37th State Senate district is one of 40 California State Senate districts. It is currently represented by Republican John Moorlach of Costa Mesa.

The district encompasses central Orange County, centered on the city of Irvine. The district contains a mix of coastal beaches, suburban sprawl, and the Santa Ana Mountains.