To clinch the Republican presidential nomination, a candidate needs to accumulate at least 1,237 delegates, which is a majority of the 2,472 delegates to the Republican National Convention in Cleveland. California, the nation’s most populous state, awards the most delegates.
PRIMARY DATE: June 7. California is the biggest prize on a day when New Jersey, New Mexico, Montana and South Dakota also vote.
DELEGATES: The California primary, open only to registered Republicans, awards 172 delegates, the most of any state and more than the four other June 7 states combined.
DIVIDING THE SPOILS: The California primary could be described as 54 separate elections — one in each congressional district, and statewide. The winner in each district is awarded three delegates. The candidate who receives the largest number of votes statewide is awarded a 13-delegate bonus.
REGISTERED REPUBLICANS: Nearly 4.8 million, or 27.6 percent of voters registered in California.
1988: The last year when a Republican presidential candidate carried California in a general election. It was George H.W. Bush.
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