93063 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 68% of adults in 93063 typically vote, above the U.S. average of about 62%. Among adults in 93063, ~33% vote Democratic, ~35% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 93063 compares
Among zip codes within 15 miles, 93063 sits roughly in the middle of the political spectrum, with 37 neighbors leaning further in the place's direction and 2 leaning the other way.
93063 runs about 22 points more Republican than California as a whole. California leans Democratic overall, while 93063 sits closer to the political middle.
Why 93063 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 93063, not a ranked or complete list of what matters most.
93063 votes against the grain of California. California leans Democratic overall, while 93063 runs about 22 points more Republican.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 93063, CA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 93063 looks the way it does
Turnout in 93063 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.