92612 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 47% of adults in 92612 typically vote, below the U.S. average of about 62%. Among adults in 92612, ~28% vote Democratic, ~19% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.
How 92612 compares
Among zip codes within 15 miles, 92612 leans more Democratic than 59 of 68 neighbors.
Politically, 92612 sits close to the rest of California.
Politics vary noticeably by block within 92612. The south side is the most Democratic-leaning (D+33) and the northwest side is the least Democratic-leaning (D+10), a spread of about 23 points.
Why 92612 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 92612, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in 92612 live in densely developed areas, about 60 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 92612 sits in the top quarter (about 64%, above 96% of zip codes). A high never-married share predicts Democratic voting, and about 51% of adults in 92612 have never been married, above 95% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 92612, CA sits in the top tenth nationally on this measure.
Why turnout in 92612 looks the way it does
Renters vote less often than owners. About 70% of households in 92612 rent, about 45 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 6% of homes in 92612 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.