Primary elections for 20 of 40 seats in the California State Senate took place on June 7, 2022. All 20 of the seats up for election in 2022 had a primary with more than one candidate.

Elections for 20 of 40 seats in the California State Senate will take place on November 8, 2022. State senatorial primary elections will be held on June 7, 2022. Democrats hold a 31-9 majority heading into the election.