2016Final results
2016 election for California Senate District 23
California State Senate · California
Mike Morrell (R) won with 56.6% of the vote, defeating Ronald J. Odonnell (D) by 13.2 points.
Mike MorrellRepublican · winner
56.6%184,470
Ronald J. OdonnellDemocrat
43.4%141,533
326,003 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET