29905 leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 28% of adults in 29905 typically vote, below the U.S. average of about 62%. Among adults in 29905, ~12% vote Democratic, ~16% Republican, and ~72% don't vote. The map below shows estimated turnout by block group.
How 29905 compares
Among zip codes within 15 miles, 29905 leans more Republican than 7 of 10 neighbors.
Politically, 29905 sits close to the rest of South Carolina.
Why 29905 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 29905, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. More than 99% of households in 29905 are family households, about 33 points above the U.S. average of 67%.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 29905, SC sits in the bottom tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 29905 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29905 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and more than 99% of households in 29905 rent, compared to around 32% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 98% of adults in 29905 have completed high school, above 96% 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.