California's 39th senatorial district is one of 40 California State Senate districts. It is currently represented by of .
The district encompasses most of the city of San Diego, along with some of its inner suburbs. It is centered on downtown San Diego and mainly stretches along the city's coastline, including part of San Diego Bay.
San Diego County â 30.0%
Due to redistricting, the 39th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.