West of Twin Peaks, San Francisco, CA Political Map | Democrat & Republican Areas in West of Twin Peaks

West of Twin Peaks is a Democratic stronghold. About 81% of voters here vote Democratic and 19% Republican.

 
West of Twin Peaks, San Francisco, CA block-group political-lean map
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About 77% of adults in West of Twin Peaks typically vote, above the U.S. average of about 62%. Among adults in West of Twin Peaks, ~62% vote Democratic, ~15% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.

West of Twin Peaks, San Francisco, CA block-group voter-turnout map
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How West of Twin Peaks compares

Among neighborhoods within 5 miles, West of Twin Peaks leans more Democratic than 25 of 46 neighbors.

West of Twin Peaks runs about 42 points more Democratic than California as a whole.

Politics vary noticeably by block within West of Twin Peaks. The east side is the most Democratic-leaning (D+72) and the south side is the least Democratic-leaning (D+56), a spread of about 17 points.

Why West of Twin Peaks 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 West of Twin Peaks, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 74% of adults in West of Twin Peaks hold a bachelor's degree, about 45 points above the U.S. average of 28%.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; West of Twin Peaks, San Francisco, 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 West of Twin Peaks looks the way it does

Areas with strong routine healthcare access turn out at higher rates. West of Twin Peaks 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 73%, about 13 points above the U.S. average of 60%. 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.