2018Flipped from RepublicanFinal results
2018 election for California Senate District 12
California State Senate · California
Anna Caballero (D) won with 54.4% of the vote, defeating Rob Poythress (R) by 8.7 points, a seat Republicans won last time.
Anna CaballeroDemocrat · winner
54.4%110,386
Rob PoythressRepublican
45.6%92,691
203,077 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 6:17 AM ET