90814 is a Democratic stronghold. About 77% of voters here vote Democratic and 23% Republican.
About 61% of adults in 90814 typically vote, near the U.S. average of about 62%. Among adults in 90814, ~47% vote Democratic, ~14% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 90814 compares
Among zip codes within 15 miles, 90814 leans more Democratic than 85 of 90 neighbors.
90814 runs about 34 points more Democratic than California as a whole.
Politics vary noticeably by block within 90814. The southwest side is the most Democratic-leaning (D+63) and the southeast side is the least Democratic-leaning (D+31), a spread of about 31 points.
Why 90814 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 90814, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 99% of residents in 90814 live in densely developed areas, about 62 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 90814 sits in the top quarter (about 56%, above 92% of zip codes). A high never-married share predicts Democratic voting, and about 49% of adults in 90814 have never been married, above 95% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 90814, CA sits in the top tenth nationally on this measure.
Why turnout in 90814 looks the way it does
Renters vote less often than owners. About 65% of households in 90814 rent, about 40 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 90814 sits in the top quarter on routine-care measures. 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.