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

By the BestNeighborhood data science team. Last updated May 2026.

Piedmont leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.

 

About 72% of adults in Piedmont typically vote, above the U.S. average of about 62%. Among adults in Piedmont, ~25% vote Democratic, ~47% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.

How Piedmont compares

Among cities within 25 miles, Piedmont leans more Republican than 21 of 56 neighbors.

Piedmont runs about 15 points more Republican than South Carolina as a whole.

Politics vary noticeably by neighborhood within Piedmont. The northeast side runs the most Democratic (D+11) and the west side runs the most Republican (R+61), a spread of about 72 points.

Why Piedmont 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 Piedmont, not a ranked or complete list of what matters most.

Piedmont votes Republican even though it is densely developed (about 37%, modestly above the South Carolina average of 24%). State and regional patterns outweigh the Democratic lean that density usually predicts here.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Piedmont, SC sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Piedmont looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Piedmont is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.

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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.