29638 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 55% of adults in 29638 typically vote, below the U.S. average of about 62%. Among adults in 29638, ~12% vote Democratic, ~43% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 29638 compares
Among zip codes within 15 miles, 29638 leans more Republican than 4 of 8 neighbors.
29638 runs about 37 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29638. The northwest side is the most Republican-leaning (R+71) and the south side is the least Republican-leaning (R+45), a spread of about 27 points.
Why 29638 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 29638, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in 29638 drive to work alone, about 12 points above the U.S. average of 74%. A high family-household share predicts Republican voting, and about 75% of households in 29638 are family households, above 79% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 29638, SC sits below the national average 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 29638 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29638 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. 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.