95651 leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 85% of adults in 95651 typically vote, above the U.S. average of about 62%. Among adults in 95651, ~34% vote Democratic, ~51% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 95651 compares
Among zip codes within 15 miles, 95651 leans more Republican than 6 of 20 neighbors.
95651 runs about 40 points more Republican than California as a whole. California leans Democratic overall, while 95651 is one of the few Republican-leaning pockets.
Why 95651 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 95651, not a ranked or complete list of what matters most.
95651 votes against the grain of California. California leans Democratic overall, while 95651 runs about 40 points more Republican. A high family-household share predicts Republican voting, and about 82% of households in 95651 are family households, above 94% of zip codes.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 95651, CA does.
Why turnout in 95651 looks the way it does
Turnout in 95651 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.