94973 is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 77% of adults in 94973 typically vote, above the U.S. average of about 62%. Among adults in 94973, ~58% vote Democratic, ~19% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How 94973 compares
Among zip codes within 15 miles, 94973 leans more Democratic than 13 of 24 neighbors.
94973 runs about 32 points more Democratic than California as a whole.
Why 94973 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 94973, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 64% of adults in 94973 hold a bachelor's degree, about 36 points above the U.S. average of 28%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 94973, CA sits in the top quarter nationally on this measure.
Why turnout in 94973 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 94973 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 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in 94973 own their home, compared to around 74% in nearby 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.