93954 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 31% of adults in 93954 typically vote, below the U.S. average of about 62%. Among adults in 93954, ~15% vote Democratic, ~16% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.
How 93954 compares
Among zip codes within 15 miles, 93954 leans more Republican than 1 of 4 neighbors.
93954 runs about 24 points more Republican than California as a whole. California leans Democratic overall, while 93954 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93954. The northeast side is the most split-leaning (R+41) and the east side is the least split-leaning (Even), a spread of about 39 points.
Why 93954 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 93954, not a ranked or complete list of what matters most.
93954 votes against the grain of California. California leans Democratic overall, while 93954 runs about 24 points more Republican.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 93954, CA sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 93954 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93954 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The uninsured rate here is about 24%, about 14 points above the California average of 10%. Renters vote less often than owners, and about 35% of households in 93954 rent, above 81% of zip codes. High food insecurity lines up with lower turnout, and about 34% of adults in 93954 report food insecurity, above 96% 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.