92618 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 53% of adults in 92618 typically vote, below the U.S. average of about 62%. Among adults in 92618, ~31% vote Democratic, ~22% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 92618 compares
Among zip codes within 15 miles, 92618 leans more Democratic than 50 of 60 neighbors.
Politically, 92618 sits close to the rest of California.
Politics vary noticeably by block within 92618. The southwest side runs the most Democratic (D+20) and the southeast side runs the most Republican (R+6), a spread of about 26 points.
Why 92618 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 92618, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 74% of adults in 92618 hold a bachelor's degree, about 46 points above the U.S. average of 28%. Dense areas vote Democratic, and 92618 sits in the top fifth on density (about 90%, above 88% of zip codes).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 92618, CA sits in the top tenth nationally on this measure.
Why turnout in 92618 looks the way it does
Renters vote less often than owners. About 54% of households in 92618 rent, about 29 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 92618 sits in the top quarter on routine-care measures. Crowded housing lines up with lower turnout, and about 8% of homes in 92618 have more than one occupant per room, above 93% 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.