29229 is a Democratic stronghold. About 75% of voters here vote Democratic and 25% Republican.
About 80% of adults in 29229 typically vote, above the U.S. average of about 62%. Among adults in 29229, ~60% vote Democratic, ~20% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 29229 compares
Among zip codes within 15 miles, 29229 leans more Democratic than 12 of 15 neighbors.
29229 runs about 69 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while 29229 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 29229. The west side is the most Democratic-leaning (D+64) and the southeast side is the least Democratic-leaning (D+26), a spread of about 39 points.
Why 29229 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 29229, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in 29229 is about 27%, about 46 points below the U.S. average of 72%. High college attainment predicts Democratic voting, and 29229 sits in the top quarter (about 45%, above 85% of zip codes). 29229 runs against the grain of South Carolina, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 29229, SC sits in the top quarter nationally 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 29229 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 29229 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 68%, about 8 points above the U.S. average of 60%. 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.