92313 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 56% of adults in 92313 typically vote, below the U.S. average of about 62%. Among adults in 92313, ~27% vote Democratic, ~29% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 92313 compares
Among zip codes within 15 miles, 92313 leans more Republican than 34 of 38 neighbors.
92313 runs about 25 points more Republican than California as a whole. California leans Democratic overall, while 92313 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 92313. The north side runs the most Democratic (D+5) and the southeast side runs the most Republican (R+16), a spread of about 20 points.
Why 92313 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 92313, not a ranked or complete list of what matters most.
92313 votes against the grain of California. California leans Democratic overall, while 92313 runs about 25 points more Republican.
High-school completion, developed land, and voter turnout
Places that combine low high-school-completion share and a heavily developed built environment tend to turn out at a lower rate, as 92313, CA does.
Why turnout in 92313 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92313 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Crowded housing lines up with lower turnout, and about 8% of homes in 92313 have more than one occupant per room, above 94% 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.