29431 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 69% of adults in 29431 typically vote, above the U.S. average of about 62%. Among adults in 29431, ~16% vote Democratic, ~53% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 29431 compares
Among zip codes within 15 miles, 29431 is the most Republican-leaning.
29431 runs about 36 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29431. The southeast side is the most Republican-leaning (R+75) and the north side is the least Republican-leaning (R+6), a spread of about 68 points.
Why 29431 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 29431, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 10% of adults in 29431 hold a bachelor's degree, about 13 points below the South Carolina average of 23%. Car-dependent areas vote Republican, and about 85% of residents in 29431 drive to work alone, above 88% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 29431, SC sits in the bottom 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 29431 looks the way it does
Turnout in 29431 sits close to the national pattern. 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.