90007 is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 31% of adults in 90007 typically vote, below the U.S. average of about 62%. Among adults in 90007, ~24% vote Democratic, ~7% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.
How 90007 compares
Among zip codes within 15 miles, 90007 leans more Democratic than 144 of 176 neighbors.
90007 runs about 35 points more Democratic than California as a whole.
Politics vary noticeably by block within 90007. The south side is the most Democratic-leaning (D+62) and the northeast side is the least Democratic-leaning (D+44), a spread of about 18 points.
Why 90007 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 90007, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 90007 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 90007 sits in the top quarter (about 38%, above 79% of zip codes). A high never-married share predicts Democratic voting, and about 72% of adults in 90007 have never been married, in the top fraction of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 90007, CA sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 90007 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 90007 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 46%, about 16 points below the California average of 62%. Renters vote less often than owners, and about 91% of households in 90007 rent, about 66 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 37% of adults in 90007 report food insecurity, above 97% 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.