94608 is a Democratic stronghold. About 88% of voters here vote Democratic and 12% Republican.
About 54% of adults in 94608 typically vote, below the U.S. average of about 62%. Among adults in 94608, ~48% vote Democratic, ~6% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 94608 compares
Among zip codes within 15 miles, 94608 leans more Democratic than 73 of 87 neighbors.
94608 runs about 55 points more Democratic than California as a whole.
Politics vary noticeably by block within 94608. The northeast side is the most Democratic-leaning (D+89) and the southwest side is the least Democratic-leaning (D+57), a spread of about 32 points.
Why 94608 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 94608, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 97% of residents in 94608 live in densely developed areas, about 60 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 94608 sits in the top quarter (about 62%, above 95% of zip codes). A high never-married share predicts Democratic voting, and about 55% of adults in 94608 have never been married, above 97% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 94608, 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 94608 looks the way it does
Renters vote less often than owners. About 67% of households in 94608 rent, about 42 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in 94608 have more than one occupant per room, above 83% of zip codes. High-crime urban areas turn out at lower rates, and 94608 sits in the top 15% on a violent-crime measure. 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.