94929 leans heavily Democratic by roughly 36 points: about 68% of voters vote Democratic and 32% Republican.
About 37% of adults in 94929 typically vote, below the U.S. average of about 62%. Among adults in 94929, ~25% vote Democratic, ~12% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 94929 compares
Among zip codes within 15 miles, 94929 leans more Democratic than 2 of 12 neighbors.
94929 runs about 16 points more Democratic than California as a whole.
Why 94929 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 94929, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 51% of adults in 94929 hold a bachelor's degree, about 23 points above the U.S. average of 28%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 94929, CA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 94929 looks the way it does
Renters vote less often than owners. About 34% of households in 94929 rent, about 9 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 94929 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.