Warren - 25%
Sanders - 23%
Biden - 18%
Harris - 11%
Buttigieg - 10%
Yang - 3%
O'Rourke - 2%
Gabbard - 2%
Booker - 2%
Castro, Klobuchar, Williamson - 1%
Steyer, de Blasio, Bullock, Messam, Sestak, Bennet, Ryan, Delaney - 0%
This is the first KQED Political Breakdown/Change Research poll, which was conducted between Sept. 12-15 and asked 3,325 likely Democratic California primary voters who their top presidential choice was. The online survey has a margin of error of plus or minus 1.7%.
https://www.kqed.org/news/11774909/kamala-harris-slips-in-a-new-california-poll-warren-sanders-biden-on-top
