94508 leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 56% of adults in 94508 typically vote, below the U.S. average of about 62%. Among adults in 94508, ~35% vote Democratic, ~21% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 94508 compares
Among zip codes within 15 miles, 94508 leans more Democratic than 2 of 9 neighbors.
94508 runs about 7 points more Democratic than California as a whole.
Why 94508 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 94508, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 55% of adults in 94508 hold a bachelor's degree, about 27 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 50% of adults in 94508 have never been married, above 95% of zip codes.
Never-married share and voter turnout
Places with a never-married-heavy adult population tend to turn out at a lower rate; 94508, CA sits in the top tenth nationally on this measure.
Why turnout in 94508 looks the way it does
Crowded housing lines up with lower turnout. About 6% of homes in 94508 have more than one occupant per room, above 89% of zip codes. Strong routine healthcare access lines up with higher turnout, and 94508 sits in the top quarter on routine-care measures. 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.