93250 leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.
About 38% of adults in 93250 typically vote, below the U.S. average of about 62%. Among adults in 93250, ~20% vote Democratic, ~17% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How 93250 compares
Among zip codes within 15 miles, 93250 leans more Democratic than 3 of 5 neighbors.
93250 runs about 11 points more Republican than California as a whole.
Politics vary noticeably by block within 93250. The north side runs the most Democratic (D+15) and the southeast side runs the most Republican (R+50), a spread of about 65 points.
Why 93250 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 93250, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 46% of adults in 93250 have never been married, modestly above similar-sized zip codes (around 32%).
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 93250, 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 93250 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 93250 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 40%, about 22 points below the California average of 62%. Renters vote less often than owners, and about 44% of households in 93250 rent, about 19 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 45% of adults in 93250 report food insecurity, in the top fraction 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.