94619 is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.
About 59% of adults in 94619 typically vote, near the U.S. average of about 62%. Among adults in 94619, ~50% vote Democratic, ~9% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 94619 compares
Among zip codes within 15 miles, 94619 leans more Democratic than 59 of 81 neighbors.
94619 runs about 51 points more Democratic than California as a whole.
Politics vary noticeably by block within 94619. The south side is the most Democratic-leaning (D+91) and the northeast side is the least Democratic-leaning (D+58), a spread of about 33 points.
Why 94619 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 94619, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in 94619 live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 94619 sits in the top quarter (about 57%, above 93% of zip codes). A high never-married share predicts Democratic voting, and about 36% of adults in 94619 have never been married, above 80% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 94619, CA sits in the top tenth nationally on this measure.
Why turnout in 94619 looks the way it does
Crowded housing lines up with lower turnout. About 6% of homes in 94619 have more than one occupant per room, above 90% 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.