92310 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 14% of adults in 92310 typically vote, below the U.S. average of about 62%. Among adults in 92310, ~7% vote Democratic, ~7% Republican, and ~86% don't vote. The map below shows estimated turnout by block group.
How 92310 compares
92310 runs about 15 points more Republican than California as a whole.
Why 92310 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 92310. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 92310, CA sits in the bottom quarter 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 92310 looks the way it does
Renters vote less often than owners. About 99% of households in 92310 rent, about 74 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in 92310 have more than one occupant per room, above 80% 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.