Over 120,000 Democrats have registered for the first time since Jan. 1. An additional 86,000 switched their party affiliation from either Independent or Republican.
At first look, a break down by county shows the bump spans accross the state to areas of strength for both Sens. Barack ObamaBarack ObamaFive things Clinton needs to do to win the California primary Republican senator expects Trump will 'embrace' GOP platform Frustration with White House builds in Hispanic caucus MORE (D-Ill.) and Hillary ClintonHillary Rodham ClintonSanders looks to Golden State for comeback hopes Secret Service protects Sanders as audience members rush stage Ex-pharma CEO Martin Shkreli: I didn’t endorse Trump MORE (D-N.Y.).
Recent polls show Clinton's lead over Obama anywhere from 12 to 26 points.