92259 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 13% of adults in 92259 typically vote, below the U.S. average of about 62%. Among adults in 92259, ~4% vote Democratic, ~9% Republican, and ~87% don't vote. The map below shows estimated turnout by block group.
How 92259 compares
92259 runs about 63 points more Republican than California as a whole. California leans Democratic overall, while 92259 is one of the few Republican-leaning pockets.
Why 92259 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 92259, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 3% of adults in 92259 hold a bachelor's degree, about 31 points below the California average of 35%. Rural areas vote Republican, and 92259 sits in the bottom quarter on density (fewer than 1%, in the bottom fraction of zip codes). 92259 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 92259, CA sits in the bottom tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 92259 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92259 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 36%, about 26 points below the California average of 62%. High food insecurity lines up with lower turnout, and about 40% of adults in 92259 report food insecurity, above 98% of zip codes. Low high-school completion lines up with lower turnout, and about 62% of adults in 92259 have completed high school, in the bottom 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.