95546 leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.
About 52% of adults in 95546 typically vote, below the U.S. average of about 62%. Among adults in 95546, ~38% vote Democratic, ~15% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 95546 compares
95546 runs about 25 points more Democratic than California as a whole.
Politics vary noticeably by block within 95546. The south side is the most Democratic-leaning (D+47) and the north side is the least Democratic-leaning (D+27), a spread of about 19 points.
Why 95546 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 95546, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 50% of adults in 95546 have never been married, well above similar-sized zip codes (around 31%).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 95546, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 95546 looks the way it does
Areas with high food insecurity turn out at lower rates. About 33% of adults in 95546 report food insecurity, about 17 points above the U.S. average of 16%. High-crime urban areas turn out at lower rates, and 95546 sits in the top 15% on a violent-crime measure. 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.