29042 is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 56% of adults in 29042 typically vote, below the U.S. average of about 62%. Among adults in 29042, ~42% vote Democratic, ~14% Republican, and ~44% don't vote. The map below shows estimated turnout by block group.
How 29042 compares
Among zip codes within 15 miles, 29042 is the most Democratic-leaning.
29042 runs about 70 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while 29042 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 29042. The east side is the most Democratic-leaning (D+68) and the north side is the least Democratic-leaning (D+30), a spread of about 38 points.
Why 29042 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 29042, not a ranked or complete list of what matters most.
29042 votes against the grain of South Carolina. South Carolina leans Republican overall, while 29042 runs about 70 points more Democratic. A high never-married share predicts Democratic voting, and about 58% of adults in 29042 have never been married, above 98% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 29042, SC sits in the bottom 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 29042 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 29042 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 32% of adults in 29042 report food insecurity, above 95% of zip codes. Low high-school completion lines up with lower turnout, and about 64% of adults in 29042 have completed high school, in the bottom fraction 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.