29178 leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 60% of adults in 29178 typically vote, near the U.S. average of about 62%. Among adults in 29178, ~22% vote Democratic, ~38% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How 29178 compares
Among zip codes within 15 miles, 29178 leans more Republican than 2 of 4 neighbors.
29178 runs about 10 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29178. The northwest side is the most Republican-leaning (R+39) and the northeast side is the least Republican-leaning (R+15), a spread of about 24 points.
Why 29178 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 29178. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 29178, SC sits below the national average 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 29178 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29178 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High food insecurity lines up with lower turnout, and about 21% of adults in 29178 report food insecurity, above 82% of zip codes. Low high-school completion lines up with lower turnout, and about 86% of adults in 29178 have completed high school, below 78% 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.