El Segundo leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.
About 71% of adults in El Segundo typically vote, above the U.S. average of about 62%. Among adults in El Segundo, ~49% vote Democratic, ~22% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How El Segundo compares
Among cities within 25 miles, El Segundo leans more Democratic than 86 of 116 neighbors.
El Segundo runs about 17 points more Democratic than California as a whole.
Politics vary noticeably by neighborhood within El Segundo. The southwest side is the most Democratic-leaning (D+49) and the southeast side is the least Democratic-leaning (D+25), a spread of about 25 points.
Why El Segundo 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 Segundo, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in El Segundo live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and El Segundo sits in the top quarter (about 63%, above 97% of cities). A high never-married share predicts Democratic voting, and about 37% of adults in El Segundo have never been married, above 90% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; El Segundo, CA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in El Segundo looks the way it does
Areas with strong routine healthcare access turn out at higher rates. El Segundo 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in El Segundo have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Manhattan Beach, CA D+28
- Del Aire, CA D+28
- Playa Del Rey, CA D+44
- Lennox, CA D+37
- Hawthorne, CA D+44
- Hermosa Beach, CA D+37
- Lawndale, CA D+27
- Marina Del Rey, CA D+43
- Inglewood, CA D+60
- Ladera Heights, CA D+78
Cities with Similar Populations
- Cambridge, OH R+40
- Hereford, TX R+28
- Kathleen, GA R+19
- Olean, NY R+9
- New Hyde Park, NY R+8
- Kingsburg, CA R+34
- Thompsons Station, TN R+43
- Arab, AL R+72
- Louisburg, NC R+14
- Jamestown, ND R+28
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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.