92273 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 57% of adults in 92273 typically vote, near the U.S. average of about 62%. Among adults in 92273, ~27% vote Democratic, ~30% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 92273 compares
Among zip codes within 15 miles, 92273 leans more Republican than 3 of 4 neighbors.
92273 runs about 23 points more Republican than California as a whole. California leans Democratic overall, while 92273 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 92273. The northwest side is the most split-leaning (R+48) and the east side is the least split-leaning (Even), a spread of about 47 points.
Why 92273 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 92273, not a ranked or complete list of what matters most.
92273 votes against the grain of California. California leans Democratic overall, while 92273 runs about 23 points more Republican.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 92273, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 92273 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 92273 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 56% of households in 92273 rent, about 31 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 27% of adults in 92273 report food insecurity, above 92% 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.