29639 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 53% of adults in 29639 typically vote, below the U.S. average of about 62%. Among adults in 29639, ~12% vote Democratic, ~41% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 29639 compares
Among zip codes within 15 miles, 29639 leans more Republican than 2 of 6 neighbors.
29639 runs about 36 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29639. The west side is the most Republican-leaning (R+70) and the northeast side is the least Republican-leaning (R+43), a spread of about 27 points.
Why 29639 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 29639. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 29639, SC sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 29639 looks the way it does
Turnout in 29639 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.