29643 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 85% of adults in 29643 typically vote, above the U.S. average of about 62%. Among adults in 29643, ~13% vote Democratic, ~72% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 29643 compares
Among zip codes within 15 miles, 29643 leans more Republican than 8 of 9 neighbors.
29643 runs about 52 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29643. The north side is the most Republican-leaning (R+74) and the southeast side is the least Republican-leaning (R+64), a spread of about 11 points.
Why 29643 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 29643, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 29643 are family households, about 11 points above the U.S. average of 67%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 29643, SC sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 29643 looks the way it does
Homeowners vote more often than renters. About 91% of households in 29643 own their home, about 14 points above the South Carolina average of 77%. 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.