93907 leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 56% of adults in 93907 typically vote, below the U.S. average of about 62%. Among adults in 93907, ~30% vote Democratic, ~26% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 93907 compares
Among zip codes within 15 miles, 93907 leans more Democratic than 2 of 13 neighbors.
93907 runs about 11 points more Republican than California as a whole.
Politics vary noticeably by block within 93907. The southeast side runs the most Democratic (D+31) and the northeast side runs the most Republican (R+5), a spread of about 37 points.
Why 93907 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 93907, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 34% of adults in 93907 have never been married, above 76% of zip codes.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 93907, CA does.
Why turnout in 93907 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93907 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 23% of adults in 93907 report food insecurity, above 85% 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.