California State Senate seat · lines in effect since 2022

California Senate District 3

A district of about 1,039,000 people, 31% Hispanic, 34% of adults with a bachelor's degree. It votes D+29.4 relative to the nation for president.

Where it sits among all 40 seats

Every California State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+29.417th most
Democratic
Most DemocraticMost Republican21st seat · the majority lineDistrict 3

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who lives here, compared

Grey bars show the spread of all 40 seats. Small marks are other seats in California. The black marker is District 3.

Adults with a bachelor's degree34% 49th pct · 21st of 40 in CA

Lower than 51% of seats.

White adults without a degree27% 82nd pct · 8th of 40 in CA

Higher than 82% of seats.

Hispanic residents31% 44th pct · 23rd of 40 in CA

Lower than 56% of seats.

Black residents7% 79th pct · 9th of 40 in CA

Higher than 79% of seats.

Asian residents13% 56th pct · 18th of 40 in CA

Higher than 56% of seats.

People per square mile324 28th pct · 29th of 40 in CA

Less dense than 72% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET