Del Mar, CA Political Map | Democrat & Republican Areas in Del Mar

By the BestNeighborhood data science team. Last updated May 2026.

Del Mar leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.

 

About 86% of adults in Del Mar typically vote, above the U.S. average of about 62%. Among adults in Del Mar, ~58% vote Democratic, ~28% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.

How Del Mar compares

Among cities within 25 miles, Del Mar leans more Democratic than 30 of 31 neighbors.

Del Mar runs about 14 points more Democratic than California as a whole.

Politics vary noticeably by neighborhood within Del Mar. The southeast side is the most Democratic-leaning (D+44) and the northeast side is the least Democratic-leaning (D+18), a spread of about 25 points.

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

Areas with high college attainment vote Democratic. About 84% of adults in Del Mar hold a bachelor's degree, about 56 points above the U.S. average of 28%. Dense areas vote Democratic, and Del Mar sits in the top fifth on density (about 84%, above 95% of cities).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Del Mar, CA sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Del Mar looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Del Mar 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 80%, about 20 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Del Mar have completed high school, above 97% of cities. Learn more about the findings and methodology on the political spectrum map.

All Local Stats

Home Services

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.