California's 9th congressional district

38°00′N 121°18′W / 38.0°N 121.3°W / 38.0; -121.3

California's 9th congressional district
Interactive map of district boundaries
Representative
Population (2024)784,710
Median household
income
$92,036
Ethnicity
Cook PVID+1

California's 9th congressional district is a congressional district in the U.S. state of California. Josh Harder, a Democrat, has represented the district since January 2023.

Currently, the district includes most of San Joaquin County and small parts of neighboring Contra Costa County and Stanislaus County. It includes the cities of Stockton, Lodi, Tracy, Manteca, and Mountain House in San Joaquin County, and the census-designated place of Discovery Bay in Contra Costa County.

The district was one of 13 congressional districts that voted for Donald Trump in the 2024 presidential election while simultaneously electing a Democrat in the 2024 House of Representatives elections.