93627 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 40% of adults in 93627 typically vote, below the U.S. average of about 62%. Among adults in 93627, ~19% vote Democratic, ~21% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.
How 93627 compares
Among zip codes within 15 miles, 93627 leans more Republican than 4 of 8 neighbors.
93627 runs about 26 points more Republican than California as a whole. California leans Democratic overall, while 93627 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 93627. The east side runs the most Democratic (D+3) and the northeast side runs the most Republican (R+30), a spread of about 32 points.
Why 93627 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 93627, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 93627 hold a bachelor's degree, about 25 points below the California average of 35%. A high family-household share predicts Republican voting, and about 80% of households in 93627 are family households, above 92% of zip codes. 93627 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Republican lean
Places with low population density tend to lean Republican; 93627, CA sits in the bottom tenth nationally on this measure.
Why turnout in 93627 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93627 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 38%, about 24 points below the California average of 62%. Renters vote less often than owners, and about 69% of households in 93627 rent, about 44 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 46% of adults in 93627 report food insecurity, in the top fraction 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.