California's 40th congressional district

California's 40th congressional district
Interactive map of district boundaries since January 3, 2023
Representative	Young Kim R–Anaheim
Population (2023)	755,867
Median household income	$126,794
Ethnicity	48.5% White 25.2% Hispanic 19.0% Asian 4.8% Two or more races 1.6% Black 0.5% other
Cook PVI	R+2[1]

California's 40th congressional district is a congressional district in the U.S. state of California, encompassing Orange, San Bernardino, and Riverside counties. The district is currently represented by Republican Young Kim. It was one of 18 districts that would have voted for Joe Biden in the 2020 presidential election had they existed in their current configuration while being won or held by a Republican in 2022.

The district includes Yorba Linda, Anaheim Hills, Orange, Chino Hills, Tustin, Mission Viejo, Aliso Viejo, Rancho Santa Margarita, Laguna Hills, Laguna Woods, Villa Park, Lake Forest, the unincorporated communities of North Tustin and Coto de Caza, and parts of Brea and Corona.