Ben Lomond, CA Political Map | Democrat & Republican Areas in Ben Lomond

Ben Lomond leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.

 
Ben Lomond, CA block-group political-lean map
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About 73% of adults in Ben Lomond typically vote, above the U.S. average of about 62%. Among adults in Ben Lomond, ~48% vote Democratic, ~25% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.

Ben Lomond, CA block-group voter-turnout map
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How Ben Lomond compares

Among cities within 25 miles, Ben Lomond leans more Democratic than 10 of 44 neighbors.

Ben Lomond runs about 11 points more Democratic than California as a whole.

Politics vary noticeably by neighborhood within Ben Lomond. The southwest side is the most Democratic-leaning (D+53) and the east side is the least Democratic-leaning (D+10), a spread of about 43 points.

Why Ben Lomond leans the way it does

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

Areas with high college attainment vote Democratic. About 47% of adults in Ben Lomond hold a bachelor's degree, about 18 points above the U.S. average of 28%. Dense areas vote Democratic, and Ben Lomond sits in the top fifth on density (about 39%, above 84% of cities).

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Ben Lomond, CA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Ben Lomond looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Ben Lomond 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 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Ben Lomond have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.

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.