El Dorado Hills, CA Political Map | Democrat & Republican Areas in El Dorado Hills

El Dorado Hills leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 
El Dorado Hills, CA block-group political-lean map
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About 86% of adults in El Dorado Hills typically vote, above the U.S. average of about 62%. Among adults in El Dorado Hills, ~39% vote Democratic, ~47% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.

El Dorado Hills, CA block-group voter-turnout map
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How El Dorado Hills compares

Among cities within 25 miles, El Dorado Hills leans more Republican than 21 of 70 neighbors.

El Dorado Hills runs about 29 points more Republican than California as a whole. California leans Democratic overall, while El Dorado Hills is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within El Dorado Hills. The northeast side is the most Republican-leaning (R+20) and the east side is the least Republican-leaning (R+4), a spread of about 16 points.

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

El Dorado Hills votes Republican even though it is densely developed (about 59%, about 22 points above the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 83% of households in El Dorado Hills are family households, above 95% of cities. El Dorado Hills runs against the grain of California, a Republican-leaning pocket in a Democratic-leaning state.

Food insecurity and voter turnout

Places with low food insecurity tend to turn out at a higher rate; El Dorado Hills, CA sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.

Why turnout in El Dorado Hills looks the way it does

Areas with strong routine healthcare access turn out at higher rates. El Dorado Hills 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in El Dorado Hills have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

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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.