95046 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 59% of adults in 95046 typically vote, near the U.S. average of about 62%. Among adults in 95046, ~28% vote Democratic, ~31% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 95046 compares
Among zip codes within 15 miles, 95046 is the most Republican-leaning.
95046 runs about 25 points more Republican than California as a whole. California leans Democratic overall, while 95046 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 95046. The northwest side runs the most Democratic (D+4) and the east side runs the most Republican (R+7), a spread of about 11 points.
Why 95046 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 95046, not a ranked or complete list of what matters most.
95046 votes against the grain of California. California leans Democratic overall, while 95046 runs about 25 points more Republican.
Never-married share, developed land, and voter turnout
Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as 95046, CA does.
Why turnout in 95046 looks the way it does
Crowded housing lines up with lower turnout. About 5% of homes in 95046 have more than one occupant per room, above 87% 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.