95415 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 79% of adults in 95415 typically vote, above the U.S. average of about 62%. Among adults in 95415, ~53% vote Democratic, ~26% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 95415 compares
Among zip codes within 15 miles, 95415 leans more Democratic than 2 of 3 neighbors.
95415 runs about 15 points more Democratic than California as a whole.
Politics vary noticeably by block within 95415. The northwest side runs the most Democratic (D+43) and the northeast side runs the most Republican (Even), a spread of about 44 points.
Why 95415 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 95415, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 36% of adults in 95415 have never been married, modestly above similar-sized zip codes (around 24%).
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; 95415, CA sits in the bottom quarter nationally on this measure.
Why turnout in 95415 looks the way it does
Turnout in 95415 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
Sources and methodology
Precinct-level voting records used to fit the model come from California Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.