95928 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 58% of adults in 95928 typically vote, near the U.S. average of about 62%. Among adults in 95928, ~34% vote Democratic, ~24% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 95928 compares
Among zip codes within 15 miles, 95928 leans more Democratic than 7 of 8 neighbors.
95928 runs about 4 points more Republican than California as a whole.
Politics vary noticeably by block within 95928. The northwest side runs the most Democratic (D+44) and the southeast side runs the most Republican (R+3), a spread of about 47 points.
Why 95928 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 95928, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 42% of adults in 95928 hold a bachelor's degree, about 14 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 95928 is about 69%, below 69% of zip codes. A high never-married share predicts Democratic voting, and about 46% of adults in 95928 have never been married, above 93% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 95928, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 95928 looks the way it does
Renters vote less often than owners. About 56% of households in 95928 rent, about 31 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in 95928 have more than one occupant per room, above 80% of zip codes. 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.