95008 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 64% of adults in 95008 typically vote, near the U.S. average of about 62%. Among adults in 95008, ~42% vote Democratic, ~22% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 95008 compares
Among zip codes within 15 miles, 95008 leans more Democratic than 29 of 56 neighbors.
95008 runs about 11 points more Democratic than California as a whole.
Politics vary noticeably by block within 95008. The east side is the most Democratic-leaning (D+40) and the southwest side is the least Democratic-leaning (D+25), a spread of about 15 points.
Why 95008 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 95008, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 95008 live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 95008 sits in the top quarter (about 60%, above 94% of zip codes).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 95008, CA sits in the top tenth nationally on this measure.
Why turnout in 95008 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 95008 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. 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.