Grant Hill leans heavily Democratic by roughly 42 points: about 71% of voters vote Democratic and 29% Republican.
About 37% of adults in Grant Hill typically vote, below the U.S. average of about 62%. Among adults in Grant Hill, ~26% vote Democratic, ~11% Republican, and ~63% don't vote. The map below shows estimated turnout by block group.
How Grant Hill compares
Among neighborhoods within 5 miles, Grant Hill leans more Democratic than 17 of 36 neighbors.
Grant Hill runs about 22 points more Democratic than California as a whole.
Politics vary noticeably by block within Grant Hill. The northwest side is the most Democratic-leaning (D+59) and the east side is the least Democratic-leaning (D+37), a spread of about 23 points.
Why Grant Hill 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 Grant Hill, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Grant Hill 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 47% of adults in Grant Hill have never been married, above 76% of neighborhoods.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Grant Hill, San Diego, 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 Grant Hill looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Grant Hill 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 67% of households in Grant Hill rent, about 42 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 36% of adults in Grant Hill report food insecurity, above 90% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- Balboa Park, San Diego, CA D+58
- Sherman Heights, San Diego, CA D+45
- Bario Logan, San Diego, CA D+39
- Mount Hope, San Diego, CA D+35
- East Village, San Diego, CA D+44
- Core, San Diego, CA D+43
- Southcrest, San Diego, CA D+31
- Mountain View San Diego, San Diego, CA D+32
- Cortez Hill, San Diego, CA D+50
- Marina, San Diego, CA D+45
Neighborhoods with Similar Populations
- Jomacha-Lomita, San Diego, CA D+29
- University District, Cleveland, OH D+73
- Mesa, Santa Barbara, CA D+52
- Ben Hill, Atlanta, GA D+83
- Argay, Portland, OR D+30
- Fassnight, Springfield, MO D+7
- Clifton, Cincinnati, OH D+68
- South Central Improvemen, Wichita, KS D+12
- Bond Hill, Cincinnati, OH D+72
- Hayward Highland, Hayward, CA D+41
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.