Nestor, San Diego, CA Political Map | Democrat & Republican Areas in Nestor

Nestor leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 
Nestor, San Diego, CA block-group political-lean map
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About 46% of adults in Nestor typically vote, below the U.S. average of about 62%. Among adults in Nestor, ~27% vote Democratic, ~19% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.

Nestor, San Diego, CA block-group voter-turnout map
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How Nestor compares

Among neighborhoods within 5 miles, Nestor leans more Democratic than 2 of 7 neighbors.

Politically, Nestor sits close to the rest of California.

Politics vary noticeably by block within Nestor. The east side is the most Democratic-leaning (D+24) and the south side is the least Democratic-leaning (D+4), a spread of about 20 points.

Why Nestor leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Nestor. The lean here lands roughly where demographic data alone would predict.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Nestor, San Diego, CA sits below the national average 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 Nestor looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Nestor is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 29% of adults in Nestor report food insecurity, above 81% of neighborhoods. Low high-school completion lines up with lower turnout, and about 73% of adults in Nestor have completed high school, below 93% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.