The 2018 Orange County Board of Supervisors elections were held on June 5, 2018, and November 6, 2018. Three 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 June, followed by a runoff in November between the top two candidates in each district. Runoffs are only held if no candidate receives a majority in each district.
Results Note: All elections for the Orange County Board of Supervisors are officially nonpartisan. The parties below identify which party label each candidate would have run under if given the option. Candidates all appear on the ballot as nonpartisan.
Results by county supervisorial district For districts not displayed, there would be no election until 2020.
Board of Supervisors DistrictIncumbent PartyElected Supervisor Party2nd2nd Michelle Steel Republican Michelle Steel Republican4th4th Shawn Nelson Republican Doug Chaffee Democratic5th5th Lisa Bartlett Republican Lisa Bartlett Republican
Close races Seats where the margin of victory was under 5%:
District 2
District 2 consists of coastal Orange County, including Huntington Beach, Costa Mesa, Cypress, La Palma, Los Alamitos, Newport Beach, Seal Beach, most of Fountain Valley, and neighborhoods in southern Buena Park.
General election Candidates Michael Mahony (Libertarian) Brendon Perkins (Democratic) Michelle Steel (Republican)
Endorsements
Results
District 4
District 4 consists of inland northwestern Orange County, taking in Fullerton, La Habra, Placentia, Brea, western Anaheim, and most of Buena Park. Incumbent Shawn Nelson retired to run for California's 39th congressional district.
General election Candidates Cynthia Aguirre (Democratic) Doug Chaffee (Democratic) Rose Espinoza (Democratic) Joe Kerr (Democratic) Lucille Kring (Republican) Tim Shaw (Republican)
Endorsements
Results
Runoff Results
District 5
District 5 encompasses southern Orange County, including Aliso Viejo, Laguna Hills, Laguna Niguel, Laguna Woods, Lake Forest, Mission Viejo, Rancho Santa Margarita, San Juan Capistrano, Laguna Beach, San Clemente, and Dana Point.
General election Results
References
External links Official campaign websites of second district candidates Brendon Perkins for Supervisor Michelle Steel for Supervisor
Official campaign websites of fourth district candidates Doug Chaffee for Supervisor Tim Shaw for Supervisor
Official campaign websites of fifth district candidates