94129 is a Democratic stronghold. About 87% of voters here vote Democratic and 13% Republican.
About 58% of adults in 94129 typically vote, near the U.S. average of about 62%. Among adults in 94129, ~51% vote Democratic, ~8% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 94129 compares
Among zip codes within 15 miles, 94129 leans more Democratic than 57 of 73 neighbors.
94129 runs about 54 points more Democratic than California as a whole.
Politics vary noticeably by block within 94129. The southwest side is the most Democratic-leaning (D+79) and the southeast side is the least Democratic-leaning (D+69), a spread of about 10 points.
Why 94129 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 94129, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 84% of adults in 94129 hold a bachelor's degree, about 55 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 48% of adults in 94129 have never been married, above 94% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 94129, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 94129 looks the way it does
Renters vote less often than owners. More than 99% of households in 94129 rent, about 74 points above the U.S. average of 25%. Strong routine healthcare access lines up with higher turnout, and 94129 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.