96134 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 36% of adults in 96134 typically vote, below the U.S. average of about 62%. Among adults in 96134, ~12% vote Democratic, ~24% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.
How 96134 compares
96134 sits in a sparsely populated area with few comparable zip codes nearby.
96134 runs about 53 points more Republican than California as a whole. California leans Democratic overall, while 96134 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 96134. The southeast side is the most Republican-leaning (R+41) and the southwest side is the least Republican-leaning (R+16), a spread of about 25 points.
Why 96134 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 96134, not a ranked or complete list of what matters most.
96134 votes against the grain of California. California leans Democratic overall, while 96134 runs about 53 points more Republican. Rural areas vote Republican, and 96134 sits in the bottom quarter on density (about 2%, below 95% of zip codes). Low college attainment predicts Republican voting, and 96134 sits in the bottom quarter (about 15%, below 82% of zip codes).
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 96134, CA sits in the bottom tenth 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 96134 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 96134 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 13 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 28% of adults in 96134 report food insecurity, above 92% of zip codes. Low high-school completion lines up with lower turnout, and about 77% of adults in 96134 have completed high school, below 94% 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.