95443 leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 81% of adults in 95443 typically vote, above the U.S. average of about 62%. Among adults in 95443, ~44% vote Democratic, ~37% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 95443 compares
Among zip codes within 15 miles, 95443 is the most Democratic-leaning.
95443 runs about 12 points more Republican than California as a whole.
Why 95443 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 95443. The lean here lands roughly where demographic data alone would predict.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 95443, CA sits above 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 95443 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 95443 have completed high school, about 12 points above the California average of 86%. 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.