94517 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 78% of adults in 94517 typically vote, above the U.S. average of about 62%. Among adults in 94517, ~44% vote Democratic, ~33% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 94517 compares
Among zip codes within 15 miles, 94517 leans more Democratic than 4 of 28 neighbors.
94517 runs about 6 points more Republican than California as a whole.
Politics vary noticeably by block within 94517. The east side runs the most Democratic (D+23) and the southeast side runs the most Republican (R+3), a spread of about 26 points.
Why 94517 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 94517, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 57% of adults in 94517 hold a bachelor's degree, about 28 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 94517 is about 62%, below 75% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 94517, CA sits in the top quarter nationally on this measure.
Why turnout in 94517 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 94517 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 88% of households in 94517 own their home, compared to around 69% in nearby zip codes. High high-school completion lines up with higher turnout, and about 99% of adults in 94517 have completed high school, above 97% 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.