Manville, SC Political Map | Democrat & Republican Areas in Manville

Manville leans Democratic by roughly 18 points: about 59% of voters vote Democratic and 41% Republican.

 
Manville, SC block-group political-lean map
Click the map to explore
D+100 D+50 Even R+50 R+100
More liberal More conservative

About 70% of adults in Manville typically vote, above the U.S. average of about 62%. Among adults in Manville, ~41% vote Democratic, ~29% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

Manville, SC block-group voter-turnout map
Click the map to explore
0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Manville compares

Among cities within 25 miles, Manville leans more Democratic than 30 of 44 neighbors.

Manville runs about 35 points more Democratic than South Carolina as a whole. South Carolina leans Republican overall, while Manville is one of the few Democratic-leaning pockets.

Politics vary noticeably by neighborhood within Manville. The east side runs the most Democratic (D+44) and the southeast side runs the most Republican (R+24), a spread of about 68 points.

Why Manville leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Manville, not a ranked or complete list of what matters most.

Manville votes against the grain of South Carolina. South Carolina leans Republican overall, while Manville runs about 35 points more Democratic. A high never-married share predicts Democratic voting, and about 39% of adults in Manville have never been married, above 92% of cities.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Manville, SC sits in the bottom tenth 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 Manville looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Manville is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 10 points below the South Carolina average of 58%. Learn more about the findings and methodology on the political spectrum map.

Cities with Similar Populations

Home Services

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.