95563 leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 66% of adults in 95563 typically vote, near the U.S. average of about 62%. Among adults in 95563, ~27% vote Democratic, ~39% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 95563 compares
95563 sits in a sparsely populated area with few comparable zip codes nearby.
95563 runs about 38 points more Republican than California as a whole. California leans Democratic overall, while 95563 is one of the few Republican-leaning pockets.
Why 95563 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 95563, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 95563 live in densely developed areas, about 54 points below the California average of 58%. 95563 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; 95563, CA sits in the bottom tenth 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 95563 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 95563 have completed high school, about 12 points above the California average of 86%. 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.