The California state elections, June 2012 were held on June 5, 2012 and included two propositions, primary elections for each party's nominee for President, and primary elections to determine the top-two candidates for California's Class I seat to the United States Senate, all of California's seats to the House of Representatives, all of the seats of the State Assembly, and all odd-numbered seats of the State Senate, who will compete against each other in a run-off on November 6, 2012.