McClellanville leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 75% of adults in McClellanville typically vote, above the U.S. average of about 62%. Among adults in McClellanville, ~41% vote Democratic, ~34% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How McClellanville compares
Among cities within 25 miles, McClellanville leans more Democratic than 14 of 16 neighbors.
McClellanville runs about 27 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while McClellanville is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within McClellanville. The east side runs the most Democratic (D+33) and the southwest side runs the most Republican (R+6), a spread of about 39 points.
Why McClellanville 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 McClellanville, not a ranked or complete list of what matters most.
Rural, majority-Black areas of the Southern Black Belt vote Democratic, against the usual rural pattern. About 44% of residents in McClellanville are Black or African American, about 14 points above the South Carolina average of 30%. High college attainment predicts Democratic voting, and McClellanville sits in the top quarter (about 35%, above 83% of cities). McClellanville runs against the grain of South Carolina, a Democratic-leaning pocket in a Republican-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; McClellanville, SC sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in McClellanville looks the way it does
Areas with strong routine healthcare access turn out at higher rates. McClellanville 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 59%, below 59% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Honey Hill, SC R+11
- Shulerville, SC R+10
- North Santee, SC D+19
- Jamestown, SC R+14
- Awendaw, SC R+10
- Maryville, SC R+37
- Sampit, SC R+21
- Simmonsville, SC R+20
- Huger, SC D+13
- Bethera, SC R+62
Cities with Similar Populations
- DeSoto, IL R+40
- Branchland, WV R+66
- Lonaconing, MD R+59
- Central Lake, MI R+21
- Irvington, KY R+51
- Bradyville, TN R+74
- Mason, TX R+50
- Kemmerer, WY R+61
- Weston, OH R+44
- Syracuse, NE R+46
All Local Stats
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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.