California's 51st congressional district is a congressional district in the U.S. state of California. The district is currently represented by Democrat Sara Jacobs. The district currently includes central and eastern portions of San Diego, as well as eastern suburbs such as El Cajon, La Mesa, Spring Valley, and Lemon Grove.

Sara Josephine Jacobs is an American politician serving as the U.S. representative for California's 51st congressional district, previously representing the 53rd congressional district from 2021 to 2023. Her district includes central and eastern portions of San Diego, as well as eastern suburbs such as El Cajon, La Mesa, Spring Valley, and Lemon Grove. A member of the Democratic Party, she is the youngest member of California's congressional delegation. She is the Caucus Leadership Representative, making her the youngest member of the Democratic House leadership.