92145 leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 60% of adults in 92145 typically vote, near the U.S. average of about 62%. Among adults in 92145, ~32% vote Democratic, ~28% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 92145 compares
Among zip codes within 15 miles, 92145 leans more Democratic than 11 of 41 neighbors.
92145 runs about 14 points more Republican than California as a whole.
Politics vary noticeably by block within 92145. The northwest side runs the most Democratic (D+14) and the southeast side runs the most Republican (R+40), a spread of about 55 points.
Why 92145 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 92145, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 85% of adults in 92145 hold a bachelor's degree, about 56 points above the U.S. average of 28%.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; 92145, CA sits above the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 92145 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 92145 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 78%, about 18 points above the U.S. average of 60%. 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.