92025 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 50% of adults in 92025 typically vote, below the U.S. average of about 62%. Among adults in 92025, ~28% vote Democratic, ~22% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 92025 compares
Among zip codes within 15 miles, 92025 leans more Democratic than 14 of 29 neighbors.
92025 runs about 8 points more Republican than California as a whole.
Politics vary noticeably by block within 92025. The north side runs the most Democratic (D+22) and the southeast side runs the most Republican (R+13), a spread of about 36 points.
Why 92025 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 92025, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 92025 live in densely developed areas, about 57 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 34% of adults in 92025 have never been married, above 77% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 92025, CA sits in the top tenth nationally on this measure.
Why turnout in 92025 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92025 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 54% of households in 92025 rent, compared to around 27% in nearby zip codes. High food insecurity lines up with lower turnout, and about 26% of adults in 92025 report food insecurity, 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.