92071 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 73% of adults in 92071 typically vote, above the U.S. average of about 62%. Among adults in 92071, ~33% vote Democratic, ~40% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 92071 compares
Among zip codes within 15 miles, 92071 leans more Republican than 42 of 48 neighbors.
92071 runs about 30 points more Republican than California as a whole. California leans Democratic overall, while 92071 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 92071. The northeast side is the most Republican-leaning (R+16) and the southwest side is the least Republican-leaning (R+3), a spread of about 13 points.
Why 92071 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 92071, not a ranked or complete list of what matters most.
92071 votes Republican even though it is densely developed (about 85%, well above the California average of 58%). State and regional patterns outweigh the Democratic lean that density usually predicts here. 92071 runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 92071, CA sits in the top quarter 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 92071 looks the way it does
Turnout in 92071 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.