90211 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 67% of adults in 90211 typically vote, near the U.S. average of about 62%. Among adults in 90211, ~42% vote Democratic, ~25% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 90211 compares
Among zip codes within 15 miles, 90211 leans more Democratic than 31 of 156 neighbors.
90211 runs about 5 points more Democratic than California as a whole.
Politics vary noticeably by block within 90211. The northeast side is the most Democratic-leaning (D+40) and the south side is the least Democratic-leaning (D+4), a spread of about 36 points.
Why 90211 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 90211, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 90211 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 90211 sits in the top quarter (about 67%, above 96% of zip codes). A high never-married share predicts Democratic voting, and about 37% of adults in 90211 have never been married, above 82% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 90211, CA sits in the top tenth nationally on this measure.
Why turnout in 90211 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 90211 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 90211 have completed high school, above 85% 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.