The 2020 Orange County Board of Supervisors elections were held on March 3, 2020 and November 3, 2020. Two of the five seats of the Orange County, California Board of Supervisors were up for election.
County elections in California are officially nonpartisan. A two-round system was used for the election, starting with the first round in March; followed by a runoff in November between the top-two candidates in each district. Runoffs are held if no candidate receives a majority in each district.
District 1 takes in western Orange County, including Santa Ana, Westminster, Garden Grove and parts of Fountain Valley. The incumbent is Andrew Do, who was re-elected with 50.2% of the vote in 2016.
The 3rd district encompasses central Orange County, taking in Irvine, Orange, Tustin, Villa Park, Yorba Linda, and Anaheim Hills. The incumbent is Donald P. Wagner, who was elected with 42.0% of the vote in 2019.
Incumbent Republican Donald Wagner ran for re-election.
Official campaign websites of first district candidates
Official campaign websites of third district candidates