93285 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 58% of adults in 93285 typically vote, near the U.S. average of about 62%. Among adults in 93285, ~17% vote Democratic, ~41% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 93285 compares
Among zip codes within 15 miles, 93285 leans more Republican than 4 of 6 neighbors.
93285 runs about 63 points more Republican than California as a whole. California leans Democratic overall, while 93285 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93285. The west side is the most Republican-leaning (R+52) and the northeast side is the least Republican-leaning (R+33), a spread of about 19 points.
Why 93285 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 93285, not a ranked or complete list of what matters most.
93285 votes against the grain of California. California leans Democratic overall, while 93285 runs about 63 points more Republican. Low college attainment predicts Republican voting, and 93285 sits in the bottom quarter (about 16%, below 78% of zip codes).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 93285, CA sits below the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 93285 looks the way it does
Turnout in 93285 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.