LOS ANGELES (KABC) -- An exclusive Eyewitness News poll conducted by SurveyUSA shows that in California, 50 percent of registered voters have an "extremely negative" view of Donald Trump, but he still leads narrowly among likely Republican primary voters.The poll, released on Monday, showed that 15 percent of Republicans likely to vote in the state's Republican primary also have a negative view of Trump. Yet, Trump polls at 40 percent, Ted Cruz at 32 percent and John Kasich at 17 percent.And despite Trump's remarks about women and his staff's treatment of women, he still leads among female voters.A lot could change between today and California's Republican primary on June 7. To win all 172 of California's delegates, Trump, Cruz or Kasich would need to carry every one of the state's 53 Congressional Districts.In the Democratic presidential race in California, Hillary Clinton leads Bernie Sanders 53 percent to 39 percent.In the race for Barbara Boxer's U.S. Senate seat, Attorney General Kamala Harris and Congresswoman Loretta Sanchez top three other challengers and are likely to advance to the general election in November, the poll showed. Both candidates are democrats.The poll also showed that in a hypothetical November head-to-head presidential match-up:Hillary Clinton defeats Donald Trump by 34 points, 60 percent to 26 percent.Hillary Clinton defeats Ted Cruz by 25 points, 57 percent to 32 percent.Hillary Clinton defeats John Kasich by 23 points, 56 percent to 33 percent.Bernie Sanders defeats Donald Trump by 39 points, 63 percent to 24 percent.Bernie Sanders defeats Ted Cruz by 35 points, 61 percent to 26 percent.Bernie Sanders defeats John Kasich by 29 points, 57 percent to 28 percent.When asked which candidate for president they would they want sitting in the Oval Office if there were a major terrorist attack on the U.S. today, 37 percent of registered voters said Clinton, 21 percent said Sanders, 15 percent said Trump, 9 percent said Cruz and 5 percent said Kasich.For this poll, SurveyUSA interviewed 2,400 California adults from March 30 to April 3. Of the adults, 1,991 were registered to vote in the state of California. Of the California registered voters, 356 were determined by SurveyUSA to be likely to vote in the June Republican presidential primary, 767 were determined by SurveyUSA to be likely to vote in the June Democratic presidential primary, 1,269 were determined to be likely to vote in the June U.S. Senate primary, and 1,507 were determined to be likely to vote in the November general election.