94560 leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 50% of adults in 94560 typically vote, below the U.S. average of about 62%. Among adults in 94560, ~34% vote Democratic, ~16% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 94560 compares
Among zip codes within 15 miles, 94560 leans more Democratic than 24 of 55 neighbors.
94560 runs about 15 points more Democratic than California as a whole.
Why 94560 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 94560, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 89% of residents in 94560 live in densely developed areas, about 53 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 94560 sits in the top quarter (about 47%, above 86% of zip codes).
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 94560, CA sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 94560 looks the way it does
Crowded housing lines up with lower turnout. About 9% of homes in 94560 have more than one occupant per room, above 95% 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.