95918 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 81% of adults in 95918 typically vote, above the U.S. average of about 62%. Among adults in 95918, ~27% vote Democratic, ~54% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 95918 compares
Among zip codes within 15 miles, 95918 is the most Republican-leaning.
95918 runs about 55 points more Republican than California as a whole. California leans Democratic overall, while 95918 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95918. The southwest side is the most Republican-leaning (R+40) and the northeast side is the least Republican-leaning (R+26), a spread of about 15 points.
Why 95918 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 95918, not a ranked or complete list of what matters most.
95918 votes against the grain of California. California leans Democratic overall, while 95918 runs about 55 points more Republican.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 95918, CA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 95918 looks the way it does
Homeowners vote more often than renters. About 93% of households in 95918 own their home, about 31 points above the California average of 62%. 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.