29330 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 65% of adults in 29330 typically vote, near the U.S. average of about 62%. Among adults in 29330, ~12% vote Democratic, ~53% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 29330 compares
Among zip codes within 15 miles, 29330 leans more Republican than 21 of 22 neighbors.
29330 runs about 44 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29330. The north side is the most Republican-leaning (R+73) and the south side is the least Republican-leaning (R+33), a spread of about 40 points.
Why 29330 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 29330, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 87% of residents in 29330 drive to work alone, about 13 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and 29330 sits in the bottom quarter (about 17%, below 76% of zip codes).
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; 29330, SC sits in the top quarter nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in 29330 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29330 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.