Emerald Hills, San Diego, CA Political Map | Democrat & Republican Areas in Emerald Hills

Emerald Hills leans heavily Democratic by roughly 44 points: about 72% of voters vote Democratic and 28% Republican.

 
Emerald Hills, San Diego, CA block-group political-lean map
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About 54% of adults in Emerald Hills typically vote, below the U.S. average of about 62%. Among adults in Emerald Hills, ~39% vote Democratic, ~15% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.

Emerald Hills, San Diego, CA block-group voter-turnout map
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How Emerald Hills compares

Among neighborhoods within 5 miles, Emerald Hills leans more Democratic than 24 of 34 neighbors.

Emerald Hills runs about 25 points more Democratic than California as a whole.

Politics vary noticeably by block within Emerald Hills. The north side is the most Democratic-leaning (D+55) and the east side is the least Democratic-leaning (D+33), a spread of about 22 points.

Why Emerald Hills leans the way it does

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

Park access and Democratic lean

Places with heavy park coverage tend to lean Democratic; Emerald Hills, San Diego, CA sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.

Why turnout in Emerald Hills looks the way it does

Crowded housing lines up with lower turnout. About 11% of homes in Emerald Hills have more than one occupant per room, above 93% 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.