29142 leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.
About 75% of adults in 29142 typically vote, above the U.S. average of about 62%. Among adults in 29142, ~46% vote Democratic, ~29% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 29142 compares
Among zip codes within 15 miles, 29142 leans more Democratic than 5 of 7 neighbors.
29142 runs about 41 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while 29142 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 29142. The south side runs the most Democratic (D+73) and the northeast side runs the most Republican (R+35), a spread of about 109 points.
Why 29142 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 29142, not a ranked or complete list of what matters most.
29142 votes against the grain of South Carolina. South Carolina leans Republican overall, while 29142 runs about 41 points more Democratic. A high never-married share predicts Democratic voting, and about 35% of adults in 29142 have never been married, above 80% of zip codes.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 29142, SC sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 29142 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 29142 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 56%, below 74% 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.