95387 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 22% of adults in 95387 typically vote, below the U.S. average of about 62%. Among adults in 95387, ~8% vote Democratic, ~14% Republican, and ~78% don't vote. The map below shows estimated turnout by block group.
How 95387 compares
Among zip codes within 15 miles, 95387 leans more Republican than 9 of 11 neighbors.
95387 runs about 51 points more Republican than California as a whole. California leans Democratic overall, while 95387 is one of the few Republican-leaning pockets.
Why 95387 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 95387, not a ranked or complete list of what matters most.
95387 votes against the grain of California. California leans Democratic overall, while 95387 runs about 51 points more Republican. Rural areas vote Republican, and 95387 sits in the bottom quarter on density (about 2%, below 94% of zip codes). A high family-household share predicts Republican voting, and about 89% of households in 95387 are family households, in the top fraction of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 95387, CA sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 95387 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 95387 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 36% of households in 95387 rent, above 83% of zip codes. High food insecurity lines up with lower turnout, and about 22% of adults in 95387 report food insecurity, above 84% of zip codes. 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.