Bethany, Mountain House, CA Political Map | Democrat & Republican Areas in Bethany

Bethany leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.

 
Bethany, Mountain House, CA block-group political-lean map
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About 55% of adults in Bethany typically vote, below the U.S. average of about 62%. Among adults in Bethany, ~31% vote Democratic, ~24% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

Bethany, Mountain House, CA block-group voter-turnout map
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How Bethany compares

Among neighborhoods within 5 miles, Bethany leans more Democratic than 2 of 3 neighbors.

Bethany runs about 8 points more Republican than California as a whole.

Why Bethany leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Bethany. The lean here lands roughly where demographic data alone would predict.

Population density, never-married share, and Democratic lean

Places that combine high population density and a low never-married share tend to lean Democratic, as Bethany, Mountain House, CA does.

Why turnout in Bethany looks the way it does

Crowded housing lines up with lower turnout. About 9% of homes in Bethany have more than one occupant per room, above 90% of neighborhoods. 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.