93274 leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 46% of adults in 93274 typically vote, below the U.S. average of about 62%. Among adults in 93274, ~19% vote Democratic, ~27% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How 93274 compares
Among zip codes within 15 miles, 93274 leans more Republican than 6 of 9 neighbors.
93274 runs about 37 points more Republican than California as a whole. California leans Democratic overall, while 93274 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93274. The west side runs the most Democratic (D+3) and the northeast side runs the most Republican (R+35), a spread of about 38 points.
Why 93274 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 93274, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in 93274 drive to work alone, about 9 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 93274 sits in the bottom quarter (about 12%, below 90% of zip codes). 93274 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
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 93274, CA does.
Why turnout in 93274 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93274 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 43% of households in 93274 rent, about 18 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 29% of adults in 93274 report food insecurity, above 93% 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.