29670 leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 70% of adults in 29670 typically vote, above the U.S. average of about 62%. Among adults in 29670, ~22% vote Democratic, ~48% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 29670 compares
Among zip codes within 15 miles, 29670 leans more Republican than 6 of 16 neighbors.
29670 runs about 19 points more Republican than South Carolina as a whole.
Politics vary noticeably by block within 29670. The southeast side is the most Republican-leaning (R+64) and the southwest side is the least Republican-leaning (R+8), a spread of about 56 points.
Why 29670 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 29670, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 84% of residents in 29670 drive to work alone, about 10 points above the U.S. average of 74%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 29670, SC sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 29670 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 29670 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 63%, above 56% 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.