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

Hansen leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.

 
Hansen, Mountain House, CA block-group political-lean map
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About 49% of adults in Hansen typically vote, below the U.S. average of about 62%. Among adults in Hansen, ~28% vote Democratic, ~21% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.

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

Among neighborhoods within 5 miles, Hansen is the most Democratic-leaning.

Hansen runs about 5 points more Republican than California as a whole.

Why Hansen 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 Hansen, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 69% of adults in Hansen hold a bachelor's degree, about 40 points above the U.S. average of 28%.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Hansen, Mountain House, CA sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Hansen looks the way it does

Crowded housing lines up with lower turnout. About 19% of homes in Hansen have more than one occupant per room, above 98% 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.