El Sobrante, CA Political Map | Democrat & Republican Areas in El Sobrante

El Sobrante leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.

 
El Sobrante, CA block-group political-lean map
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About 55% of adults in El Sobrante typically vote, below the U.S. average of about 62%. Among adults in El Sobrante, ~40% vote Democratic, ~15% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

El Sobrante, CA block-group voter-turnout map
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How El Sobrante compares

Among cities within 25 miles, El Sobrante leans more Democratic than 43 of 82 neighbors.

El Sobrante runs about 26 points more Democratic than California as a whole.

Politics vary noticeably by neighborhood within El Sobrante. The southwest side is the most Democratic-leaning (D+58) and the southeast side is the least Democratic-leaning (D+36), a spread of about 22 points.

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

Dense areas vote Democratic. About 77% of residents in El Sobrante live in densely developed areas, about 40 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and El Sobrante sits in the top quarter (about 43%, above 89% of cities). A high never-married share predicts Democratic voting, and about 33% of adults in El Sobrante have never been married, above 82% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; El Sobrante, CA sits in the top tenth nationally on this measure.

Why turnout in El Sobrante looks the way it does

Crowded housing lines up with lower turnout. About 7% of homes in El Sobrante have more than one occupant per room, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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.