2024 Orange County, California elections

2022 Orange County Board of Supervisors District 1 election
	First round municipality results; Nguyen: 30–40 40–50% 50–60% 60–70%; Marquez: 40–50% 50–60%; No data / no votes
Incumbent Supervisor; Andrew Do;	; ;

2024 Orange County Board of Supervisors elections
2 of 5 seats on the Orange County Board of Supervisors
	Winners:; Republican hold TBD No election

The 2024 Orange County Board of Supervisors elections were held on March 5, 2024 (for general elections) and November 5, 2024 (for runoff elections). Two Board of Supervisors seats (districts 1 and 3) are the only county offices up for election in presidential years. The other county supervisorial district seats (districts 2, 4, and 5) and countywide offices are up for election in midterm years. County elections in California are officially nonpartisan.

Board of Supervisors

The 2024 Orange County Board of Supervisors elections were held on March 5, 2024 (for general elections) and November 5, 2024 (for runoff elections). Local elections in California are officially nonpartisan.

Two of the five seats of the Orange County, California Board of Supervisors will be up for election. The Democratic Party currently holds three seats on the board, while the Republican Party holds two.

County elections in California are officially nonpartisan. The parties below identify which party label each candidate would have run under if given the option.

District 1

The 1st district includes Huntington Beach, as well as Fountain Valley, Seal Beach, Westminster, and most of Garden Grove. Incumbent Andrew Do, a Republican, is term-limited and ineligible to run for a third term.

Candidates

Kimberly Ho (Republican), Westminster city councilor^[1]
Frances Marquez (Democratic), Cypress city councilor^[2]
Janet Nguyen (Republican), California state senator and former Orange County supervisor^[3]
Van Tran (Republican), member of the Orange County Water District Board of Directors, chief of staff to incumbent Andrew Do, and former California state assemblyman^[1]
Michael Vo (Republican), former mayor of Fountain Valley^[4]

Endorsements

Janet Nguyen (R)

Newspapers

Orange County Register^[5]

General election

General election results
Candidate	Votes	%
Janet Nguyen	59,702	43.46
Frances Marquez	35,687	25.98
Van Tran	24,717	17.99
Kimberly Ho	8,683	6.32
Michael Vo	8,599	6.26
Total votes	137,388	100%

Runoff

Because no candidate received a majority of the vote in the first round in March, State Senator Janet Nguyen and Cypress city council member Frances Marquez advanced to a runoff, which was held on November 5, 2024.