93541 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 50% of adults in 93541 typically vote, below the U.S. average of about 62%. Among adults in 93541, ~31% vote Democratic, ~19% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 93541 compares
93541 runs about 4 points more Democratic than California as a whole.
Politics vary noticeably by block within 93541. The east side runs the most Democratic (D+24) and the northwest side runs the most Republican (R+5), a spread of about 29 points.
Why 93541 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 93541, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 77% of adults in 93541 hold a bachelor's degree, about 49 points above the U.S. average of 28%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 93541, CA sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 93541 looks the way it does
Turnout in 93541 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.