92411 leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 34% of adults in 92411 typically vote, below the U.S. average of about 62%. Among adults in 92411, ~23% vote Democratic, ~11% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.
How 92411 compares
Among zip codes within 15 miles, 92411 leans more Democratic than 39 of 40 neighbors.
92411 runs about 13 points more Democratic than California as a whole.
Politics vary noticeably by block within 92411. The northwest side is the most Democratic-leaning (D+46) and the south side is the least Democratic-leaning (D+24), a spread of about 22 points.
Why 92411 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 92411, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 92411 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 50% of adults in 92411 have never been married, above 95% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 92411, CA sits in the top tenth nationally on this measure.
Why turnout in 92411 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92411 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 42%, about 20 points below the California average of 62%. Renters vote less often than owners, and about 43% of households in 92411 rent, about 18 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 40% of adults in 92411 report food insecurity, above 98% 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.