California's 45th Congressional District
California · CA-45
California's 45th Congressional District is one of 52 U.S. House districts in California, represented in Congress by Derek Tran (Democrat). It is home to roughly 734,013 people, with a median age of 39.9. The population is about 38% Asian. The median household income is $99,312, and 34% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election the district was highly competitive (D+2).
Representative
Current U.S. House member (source: house.gov).
Geography
CA-45 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 99 square miles, CA-45 is the 408th-largest of the 435 congressional districts by land area. With about 7,414 residents per square mile, it is a heavily urban district. Its shape is very irregular: the district's Polsby-Popper score of 0.14 ranks 379th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 49% of CA-45 voters backed Kamala Harris and 48% Donald Trump — a D+2 margin, the 15th-closest result of any district in the country. That is a 4.0-point shift toward the Republicans from 2020, when the district voted D+6.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 39.9 years old; 21.1% of residents are under 18 and 16.3% are 65 or older. About 39.6% of residents were born outside the United States, and 59.3% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $99,312, the district's median household income ranks 73rd of 435 districts nationwide. The typical owner-occupied home is worth $804,209, and the median rent is $2,137 a month. 10.9% of residents live below the poverty line, and workers average a 31.2-minute commute (11.2% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).