U.S. House · Proposition 50 Lines

Congressional District 40

Young Kim (Republican); 2026 result pending, Ken Calvert leading

Who represents this district

Current officeholder: Young Kim (Republican).

The incumbent is currently trailing in the count.

2026 result pending. Ken Calvert (Republican) is leading in the current count. The race has not been called, and a leader is not a winner until it is.

Counties and cities

Counties: Orange (partial), Riverside (partial)

Principal cities and communities:

MurrietaMenifeeLake ElsinoreCorona (partial)WildomarMission Viejo (partial)Rancho Santa MargaritaOrange (partial)

Voter registration

Registered voters	Democratic	Republican	Other
522,939	31.2%	39.68%	29.12%

Secretary of State Report of Registration, September 4, 2026. Other covers every registrant not registered Democratic or Republican.

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Registration: California Secretary of State, Report of Registration, September 4, 2026. 2026 results: Associated Press calls for U.S. House races; state legislative results compiled from Ballotpedia and JoinCalifornia against semi-official returns. District lines: congressional districts are the Proposition 50 (AB 604) map; State Senate and Assembly districts are the 2021 Citizens Redistricting Commission maps.