93524 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 34% of adults in 93524 typically vote, below the U.S. average of about 62%. Among adults in 93524, ~15% vote Democratic, ~19% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.
How 93524 compares
Among zip codes within 15 miles, 93524 is the least Republican-leaning.
93524 runs about 31 points more Republican than California as a whole. California leans Democratic overall, while 93524 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93524. The east side runs the most Democratic (Even) and the south side runs the most Republican (R+12), a spread of about 13 points.
Why 93524 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 93524, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 93524 drive to work alone, about 10 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 88% of households in 93524 are family households, in the top fraction of zip codes. 93524 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 93524, CA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 93524 looks the way it does
Renters vote less often than owners. About 96% of households in 93524 rent, about 71 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and more than 99% of adults in 93524 have completed high school, in the top fraction 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.