93706 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 34% of adults in 93706 typically vote, below the U.S. average of about 62%. Among adults in 93706, ~21% vote Democratic, ~13% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.
How 93706 compares
Among zip codes within 15 miles, 93706 leans more Democratic than 25 of 29 neighbors.
Politically, 93706 sits close to the rest of California.
Politics vary noticeably by block within 93706. The north side runs the most Democratic (D+42) and the southwest side runs the most Republican (R+28), a spread of about 69 points.
Why 93706 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 93706, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 49% of adults in 93706 have never been married, well above similar-sized zip codes (around 33%). Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 93706 is about 11%, about 61 points below the U.S. average of 72%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 93706, CA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 93706 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93706 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 39%, about 22 points below the California average of 62%. Renters vote less often than owners, and about 64% of households in 93706 rent, about 39 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 46% of adults in 93706 report food insecurity, in the top fraction 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.