The 2010 California State Assembly elections were held on November 2, 2010. Voters in California's 80 State Assembly districts voted for their representative. The Democratic Party gained two seats: the 5th district from the Republicans and the 31st district from a termed-out Independent, expanding their majority to 52.

The 2008 California State Assembly elections were held on November 4, 2008. Voters in all 80 of California's State Assembly districts voted for their representative. Other elections were also held on November 4. Only five seats changed parties: one to the Republican Party and four to the Democratic Party, which maintained a majority with 51 seats.