95833 leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 50% of adults in 95833 typically vote, below the U.S. average of about 62%. Among adults in 95833, ~34% vote Democratic, ~16% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 95833 compares
Among zip codes within 15 miles, 95833 leans more Democratic than 31 of 45 neighbors.
95833 runs about 15 points more Democratic than California as a whole.
Politics vary noticeably by block within 95833. The south side is the most Democratic-leaning (D+43) and the northwest side is the least Democratic-leaning (D+24), a spread of about 19 points.
Why 95833 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 95833, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in 95833 live in densely developed areas, about 59 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 43% of adults in 95833 have never been married, above 90% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 95833, CA sits in the top tenth 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 95833 looks the way it does
Renters vote less often than owners. About 49% of households in 95833 rent, about 24 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 7% of homes in 95833 have more than one occupant per room, above 93% 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.