95327 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 62% of adults in 95327 typically vote, near the U.S. average of about 62%. Among adults in 95327, ~29% vote Democratic, ~34% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 95327 compares
Among zip codes within 15 miles, 95327 is the least Republican-leaning.
95327 runs about 29 points more Republican than California as a whole. California leans Democratic overall, while 95327 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95327. The west side runs the most Democratic (D+28) and the southwest side runs the most Republican (R+49), a spread of about 76 points.
Why 95327 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 95327, not a ranked or complete list of what matters most.
95327 votes against the grain of California. California leans Democratic overall, while 95327 runs about 29 points more Republican. Low college attainment predicts Republican voting, and 95327 sits in the bottom quarter (about 11%, below 92% of zip codes).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 95327, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 95327 looks the way it does
Turnout in 95327 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.