29577 leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 65% of adults in 29577 typically vote, near the U.S. average of about 62%. Among adults in 29577, ~31% vote Democratic, ~34% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 29577 compares
Among zip codes within 15 miles, 29577 is the least Republican-leaning.
29577 runs about 13 points more Democratic than South Carolina as a whole.
Politics vary noticeably by block within 29577. The east side runs the most Democratic (D+44) and the southwest side runs the most Republican (R+21), a spread of about 65 points.
Why 29577 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 29577, not a ranked or complete list of what matters most.
29577 votes Republican even though it is densely developed (about 88%, far above the South Carolina average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 29577, SC sits in the top quarter nationally on this measure.
Why turnout in 29577 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29577 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.