92230 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 50% of adults in 92230 typically vote, below the U.S. average of about 62%. Among adults in 92230, ~22% vote Democratic, ~28% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.
How 92230 compares
Among zip codes within 15 miles, 92230 leans more Republican than 8 of 11 neighbors.
92230 runs about 32 points more Republican than California as a whole. California leans Democratic overall, while 92230 is one of the few Republican-leaning pockets.
Why 92230 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 92230, not a ranked or complete list of what matters most.
92230 votes against the grain of California. California leans Democratic overall, while 92230 runs about 32 points more Republican. Low college attainment predicts Republican voting, and 92230 sits in the bottom quarter (about 12%, below 91% of zip codes).
High-school completion and voter turnout
Places with low high-school-completion share tend to turn out at a lower rate; 92230, CA sits in the bottom tenth nationally on this measure.
Why turnout in 92230 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92230 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in 92230 rent, above 85% of zip codes. High food insecurity lines up with lower turnout, and about 24% of adults in 92230 report food insecurity, above 87% 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.