95519 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 77% of adults in 95519 typically vote, above the U.S. average of about 62%. Among adults in 95519, ~48% vote Democratic, ~29% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 95519 compares
Among zip codes within 15 miles, 95519 leans more Democratic than 1 of 9 neighbors.
95519 runs about 5 points more Democratic than California as a whole.
Politics vary noticeably by block within 95519. The east side is the most Democratic-leaning (D+40) and the north side is the least Democratic-leaning (D+18), a spread of about 22 points.
Why 95519 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 95519, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 40% of adults in 95519 hold a bachelor's degree, about 11 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 34% of adults in 95519 have never been married, above 76% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 95519, CA sits above the national average on this measure.
Why turnout in 95519 looks the way it does
Turnout in 95519 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.