29920 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 72% of adults in 29920 typically vote, above the U.S. average of about 62%. Among adults in 29920, ~43% vote Democratic, ~29% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 29920 compares
Among zip codes within 15 miles, 29920 is the most Democratic-leaning.
29920 runs about 39 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while 29920 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 29920. The west side runs the most Democratic (D+62) and the southeast side runs the most Republican (R+19), a spread of about 81 points.
Why 29920 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 29920, not a ranked or complete list of what matters most.
29920 votes against the grain of South Carolina. South Carolina leans Republican overall, while 29920 runs about 39 points more Democratic.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 29920, SC sits in the bottom quarter nationally on this measure.
Why turnout in 29920 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 29920 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 62%. Homeowners vote more often than renters, and about 90% of households in 29920 own their home, compared to around 61% in nearby 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.