93263 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 37% of adults in 93263 typically vote, below the U.S. average of about 62%. Among adults in 93263, ~17% vote Democratic, ~20% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 93263 compares
Among zip codes within 15 miles, 93263 leans more Republican than 2 of 7 neighbors.
93263 runs about 31 points more Republican than California as a whole. California leans Democratic overall, while 93263 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93263. The southeast side is the most split-leaning (R+56) and the west side is the least split-leaning (Even), a spread of about 55 points.
Why 93263 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 93263, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 8% of adults in 93263 hold a bachelor's degree, about 26 points below the California average of 35%. Dense places usually vote Democratic, but 93263 runs against that pattern. A high family-household share predicts Republican voting, and about 86% of households in 93263 are family households, above 98% of zip codes.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 93263, CA does.
Why turnout in 93263 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93263 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 48%, about 14 points below the California average of 62%. Renters vote less often than owners, and about 41% of households in 93263 rent, about 16 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 35% of adults in 93263 report food insecurity, above 97% 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.