Grays leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.
About 61% of adults in Grays typically vote, near the U.S. average of about 62%. Among adults in Grays, ~23% vote Democratic, ~38% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Grays compares
Among cities within 25 miles, Grays leans more Republican than 42 of 51 neighbors.
Grays runs about 8 points more Republican than South Carolina as a whole.
Why Grays 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 Grays, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 11% of adults in Grays hold a bachelor's degree, about 12 points below the South Carolina average of 23%. A high family-household share predicts Republican voting, and about 83% of households in Grays are family households, above 94% of cities.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Grays, SC sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Grays looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Grays 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 28% of adults in Grays report food insecurity, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- McPhersonville, SC R+8
- Horsegall, SC R+42
- Early Branch, SC D+6
- Pineland, SC D+49
- Gillisonville, SC R+21
- Nixville, SC R+58
- Fechtig, SC D+10
- Furman, SC D+30
- Miley, SC R+54
- Coosawatchie, SC D+20
Cities with Similar Populations
- White Oak, VA R+6
- Shrewsbury, VT D+5
- Gap in Knob, KY R+58
- Wilawana, PA R+54
- Furman, SC D+30
- Shermans Corner, ME R+14
- Capon Springs, WV R+61
- Sciota, IL R+42
- Buford, KY R+66
- South Warsaw, NY R+37
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Sources and methodology
Precinct-level voting records used to fit the model come from South Carolina State Election Commission, 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.