29401 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 67% of adults in 29401 typically vote, near the U.S. average of about 62%. Among adults in 29401, ~42% vote Democratic, ~25% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 29401 compares
Among zip codes within 15 miles, 29401 leans more Democratic than 12 of 19 neighbors.
29401 runs about 42 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while 29401 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 29401. The north side runs the most Democratic (D+40) and the southeast side runs the most Republican (R+4), a spread of about 45 points.
Why 29401 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 29401, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 76% of residents in 29401 live in densely developed areas, about 40 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 29401 sits in the top quarter (about 74%, above 98% of zip codes). 29401 runs against the grain of South Carolina, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 29401, SC sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 29401 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 29401 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 29401 have completed high school, above 85% of zip codes. 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.