Democrats looking to attend the caucus in their Congressional district, can find the locations at the bottom of this web page.
The delegates will physically travel to the national convention in Philadelphia to nominate the party’s choice for the White House. They’re pledged delegates, so who they vote for will be determined by California’s June primary.
Michael Soller of the California Democratic Party says any party member can run, but they’re typically already involved in local politics.
"People who do voter registration, people who work for local Democrats, they run to represent their community, to represent their neighbors at the convention," Soller says.
In Philadelphia, delegates will also meet with state lawmakers and political leaders. Soller says delegates often go on to become candidates themselves.
About 60 percent of the delegates in California will be elected through local caucuses in each Congressional district on Sunday.
California Republicans have a different process: The presidential campaigns pick their own slates of delegates.
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