92275 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 37% of adults in 92275 typically vote, below the U.S. average of about 62%. Among adults in 92275, ~14% vote Democratic, ~23% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 92275 compares
92275 runs about 43 points more Republican than California as a whole. California leans Democratic overall, while 92275 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 92275. The south side is the most Republican-leaning (R+39) and the west side is the least Republican-leaning (R+20), a spread of about 19 points.
Why 92275 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 92275, not a ranked or complete list of what matters most.
92275 votes against the grain of California. California leans Democratic overall, while 92275 runs about 43 points more Republican. Low college attainment predicts Republican voting, and 92275 sits in the bottom quarter (about 7%, below 97% of zip codes).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 92275, CA sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 92275 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92275 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 45%, about 17 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 33% of adults in 92275 report food insecurity, above 96% of zip codes. Low high-school completion lines up with lower turnout, and about 79% of adults in 92275 have completed high school, below 92% 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.