94925 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 89% of adults in 94925 typically vote, above the U.S. average of about 62%. Among adults in 94925, ~69% vote Democratic, ~20% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How 94925 compares
Among zip codes within 15 miles, 94925 leans more Democratic than 28 of 68 neighbors.
94925 runs about 36 points more Democratic than California as a whole.
Politics vary noticeably by block within 94925. The west side is the most Democratic-leaning (D+62) and the southeast side is the least Democratic-leaning (D+50), a spread of about 12 points.
Why 94925 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 94925, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 78% of adults in 94925 hold a bachelor's degree, about 49 points above the U.S. average of 28%. Dense areas vote Democratic, and 94925 sits in the top fifth on density (about 85%, above 85% of zip codes).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 94925, CA sits in the top quarter nationally on this measure.
Why turnout in 94925 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 94925 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in 94925 have completed high school, above 94% 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.