Berkeley Hills, Berkeley, CA Political Map | Democrat & Republican Areas in Berkeley Hills

Berkeley Hills is a Democratic stronghold. About 92% of voters here vote Democratic and 8% Republican.

 
Berkeley Hills, Berkeley, CA block-group political-lean map
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About 77% of adults in Berkeley Hills typically vote, above the U.S. average of about 62%. Among adults in Berkeley Hills, ~71% vote Democratic, ~6% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.

Berkeley Hills, Berkeley, CA block-group voter-turnout map
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How Berkeley Hills compares

Among neighborhoods within 5 miles, Berkeley Hills leans more Democratic than 21 of 30 neighbors.

Berkeley Hills runs about 63 points more Democratic than California as a whole.

Why Berkeley Hills leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for Berkeley Hills, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 88% of adults in Berkeley Hills hold a bachelor's degree, about 59 points above the U.S. average of 28%.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Berkeley Hills, Berkeley, CA sits in the top quarter 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 Berkeley Hills looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Berkeley Hills 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 78%, about 18 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 86% of households in Berkeley Hills own their home, compared to around 46% in nearby neighborhoods. High high-school completion lines up with higher turnout, and about 99% of adults in Berkeley Hills have completed high school, above 89% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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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.