95329 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 67% of adults in 95329 typically vote, near the U.S. average of about 62%. Among adults in 95329, ~19% vote Democratic, ~48% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 95329 compares
Among zip codes within 15 miles, 95329 leans more Republican than 4 of 6 neighbors.
95329 runs about 65 points more Republican than California as a whole. California leans Democratic overall, while 95329 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95329. The southwest side is the most Republican-leaning (R+56) and the south side is the least Republican-leaning (R+38), a spread of about 18 points.
Why 95329 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 95329, not a ranked or complete list of what matters most.
95329 votes against the grain of California. California leans Democratic overall, while 95329 runs about 65 points more Republican. Rural areas vote Republican, and 95329 sits in the bottom quarter on density (about 3%, below 91% of zip codes). Low college attainment predicts Republican voting, and 95329 sits in the bottom quarter (about 16%, below 78% of zip codes).
Population density and Republican lean
Places with low population density tend to lean Republican; 95329, CA sits in the bottom quarter nationally on this measure.
Why turnout in 95329 looks the way it does
Turnout in 95329 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.