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

Del Rey is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.

 
Del Rey, CA block-group political-lean map
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About 39% of adults in Del Rey typically vote, below the U.S. average of about 62%. Among adults in Del Rey, ~19% vote Democratic, ~21% Republican, and ~60% don't vote. The map below shows estimated turnout by block group.

Del Rey, CA block-group voter-turnout map
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How Del Rey compares

Among cities within 25 miles, Del Rey leans more Republican than 9 of 40 neighbors.

Del Rey runs about 25 points more Republican than California as a whole. California leans Democratic overall, while Del Rey is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Del Rey. The west side runs the most Democratic (D+9) and the southwest side runs the most Republican (R+22), a spread of about 30 points.

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

Del Rey votes against the grain of California. California leans Democratic overall, while Del Rey runs about 25 points more Republican.

Cancer-screening access and voter turnout

Places with low colon-cancer-screening access tend to turn out at a lower rate; Del Rey, 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 Del Rey looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Del Rey is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 44% of households in Del Rey rent, about 19 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 30% of adults in Del Rey report food insecurity, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.