92679 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 76% of adults in 92679 typically vote, above the U.S. average of about 62%. Among adults in 92679, ~34% vote Democratic, ~43% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 92679 compares
Among zip codes within 15 miles, 92679 leans more Republican than 31 of 33 neighbors.
92679 runs about 31 points more Republican than California as a whole. California leans Democratic overall, while 92679 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 92679. The west side is the most split-leaning (R+22) and the northwest side is the least split-leaning (Even), a spread of about 20 points.
Why 92679 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 92679, not a ranked or complete list of what matters most.
92679 votes Republican even though it is densely developed (about 64%, modestly above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 86% of households in 92679 are family households, above 98% of zip codes. 92679 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as 92679, CA does.
Why turnout in 92679 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 92679 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 89% of households in 92679 own their home, above 85% of zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 92679 have completed high school, 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.