96063 leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 68% of adults in 96063 typically vote, above the U.S. average of about 62%. Among adults in 96063, ~20% vote Democratic, ~47% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 96063 compares
Among zip codes within 15 miles, 96063 leans more Republican than 1 of 3 neighbors.
96063 runs about 59 points more Republican than California as a whole. California leans Democratic overall, while 96063 is one of the few Republican-leaning pockets.
Why 96063 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 96063, not a ranked or complete list of what matters most.
96063 votes against the grain of California. California leans Democratic overall, while 96063 runs about 59 points more Republican. Rural areas vote Republican, and 96063 sits in the bottom quarter on density (about 4%, below 87% of zip codes). Low college attainment predicts Republican voting, and 96063 sits in the bottom quarter (about 13%, below 89% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 96063, CA sits in the bottom tenth nationally on this measure.
Why turnout in 96063 looks the way it does
Turnout in 96063 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.