94112 leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 51% of adults in 94112 typically vote, below the U.S. average of about 62%. Among adults in 94112, ~36% vote Democratic, ~15% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.
How 94112 compares
Among zip codes within 15 miles, 94112 leans more Democratic than 6 of 71 neighbors.
94112 runs about 22 points more Democratic than California as a whole.
Politics vary noticeably by block within 94112. The northwest side is the most Democratic-leaning (D+62) and the south side is the least Democratic-leaning (D+32), a spread of about 30 points.
Why 94112 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 94112, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 94112 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 94112 sits in the top quarter (about 37%, above 77% of zip codes). A high never-married share predicts Democratic voting, and about 38% of adults in 94112 have never been married, above 85% of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 94112, CA sits in the top tenth nationally on this measure.
Why turnout in 94112 looks the way it does
Crowded housing lines up with lower turnout. About 12% of homes in 94112 have more than one occupant per room, above 97% of zip codes. Renters vote less often than owners, and about 35% of households in 94112 rent, above 82% of zip codes. Low high-school completion lines up with lower turnout, and about 82% of adults in 94112 have completed high school, below 88% 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.