The 2010 California State Senate elections were held on November 2, 2010. Voters in the 20 even-numbered districts of the California State Senate voted for their representatives. Other elections were also held on November 2. No seats changed parties in this election.
The following results were reported:
Incumbent Jenny Oropeza died on October 20, 2010, from complications from a blood clot, and remained on the ballot. A special election was called after she posthumously won the election.