95075 leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.
About 57% of adults in 95075 typically vote, near the U.S. average of about 62%. Among adults in 95075, ~19% vote Democratic, ~38% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 95075 compares
95075 sits in a sparsely populated area with few comparable zip codes nearby.
95075 runs about 52 points more Republican than California as a whole. California leans Democratic overall, while 95075 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95075. The southeast side is the most Republican-leaning (R+49) and the southwest side is the least Republican-leaning (R+30), a spread of about 19 points.
Why 95075 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 95075, not a ranked or complete list of what matters most.
95075 votes against the grain of California. California leans Democratic overall, while 95075 runs about 52 points more Republican.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 95075, CA sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 95075 looks the way it does
Crowded housing lines up with lower turnout. About 8% of homes in 95075 have more than one occupant per room, above 93% of zip codes. Strong routine healthcare access lines up with higher turnout, and 95075 sits in the top quarter on routine-care measures. 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.