California's 28th Congressional District
California · CA-28
California's 28th Congressional District is one of 52 U.S. House districts in California, represented in Congress by Judy Chu (Democrat). It is home to roughly 756,915 people, with a median age of 42.7. The population is about 37% Asian. The median household income is $104,295, and 46% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted solidly Democratic (D+27).
Representative
Current U.S. House member (source: house.gov).
Geography
CA-28 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 845 square miles, CA-28 is the 285th-largest of the 435 congressional districts by land area. With about 896 residents per square mile, it is a largely suburban district. Its shape is irregular: the district's Polsby-Popper score of 0.23 ranks 280th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 62% of CA-28 voters backed Kamala Harris and 35% Donald Trump — a D+27 margin. That is a 7.0-point shift toward the Republicans from 2020, when the district voted D+34.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 42.7 years old; 19.4% of residents are under 18 and 19.1% are 65 or older. About 35.9% of residents were born outside the United States, and 51.2% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $104,295, the district's median household income ranks 58th of 435 districts nationwide. The typical owner-occupied home is worth $917,745, and the median rent is $2,034 a month. 9.9% of residents live below the poverty line, and workers average a 32.1-minute commute (17.5% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).