South Los Angeles, Los Angeles, CA Political Map | Democrat & Republican Areas in South Los Angeles

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

South Los Angeles is a Democratic stronghold. About 79% of voters here vote Democratic and 21% Republican.

 

About 36% of adults in South Los Angeles typically vote, below the U.S. average of about 62%. Among adults in South Los Angeles, ~28% vote Democratic, ~8% Republican, and ~64% don't vote. The map below shows estimated turnout by block group.

How South Los Angeles compares

Among neighborhoods within 5 miles, South Los Angeles leans more Democratic than 8 of 19 neighbors.

South Los Angeles runs about 37 points more Democratic than California as a whole.

Politics vary noticeably by block within South Los Angeles. The southwest side is the most Democratic-leaning (D+77) and the east side is the least Democratic-leaning (D+51), a spread of about 26 points.

Why South Los Angeles leans the way it does

This analysis examined 14,881 data points per neighborhood to find what predicts political lean and turnout. The items below are a few correlations that stood out for South Los Angeles, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in South Los Angeles live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 57% of adults in South Los Angeles have never been married, above 90% of neighborhoods.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; South Los Angeles, Los Angeles, CA sits in the bottom quarter 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 South Los Angeles looks the way it does

Areas with limited routine healthcare access turn out at lower rates. South Los Angeles is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 14 points below the California average of 62%. Renters vote less often than owners, and about 69% of households in South Los Angeles rent, about 44 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 38% of adults in South Los Angeles report food insecurity, above 92% of neighborhoods. 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.