93616 is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.
About 41% of adults in 93616 typically vote, below the U.S. average of about 62%. Among adults in 93616, ~20% vote Democratic, ~21% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How 93616 compares
Among zip codes within 15 miles, 93616 sits roughly in the middle of the political spectrum, with 14 neighbors leaning further in the place's direction and 8 leaning the other way.
93616 runs about 21 points more Republican than California as a whole. California leans Democratic overall, while 93616 sits closer to the political middle.
Politics vary noticeably by block within 93616. The southwest side runs the most Democratic (D+8) and the northeast side runs the most Republican (R+19), a spread of about 27 points.
Why 93616 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 93616, not a ranked or complete list of what matters most.
93616 votes against the grain of California. California leans Democratic overall, while 93616 runs about 21 points more Republican.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 93616, CA sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 93616 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93616 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 46% of households in 93616 rent, about 21 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 30% of adults in 93616 report food insecurity, above 94% 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.