29321 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 63% of adults in 29321 typically vote, near the U.S. average of about 62%. Among adults in 29321, ~13% vote Democratic, ~50% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How 29321 compares
Among zip codes within 15 miles, 29321 leans more Republican than 4 of 8 neighbors.
29321 runs about 42 points more Republican than South Carolina as a whole.
Why 29321 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 29321, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 15% of adults in 29321 hold a bachelor's degree, about 9 points below the South Carolina average of 23%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 29321, SC sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 29321 looks the way it does
Limited routine healthcare access lines up with lower turnout, and 29321 sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.