Piedmont is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 75% of adults in Piedmont typically vote, above the U.S. average of about 62%. Among adults in Piedmont, ~16% vote Democratic, ~59% Republican, and ~25% 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 23 of 30 neighbors.
Piedmont runs about 29 points more Republican than South Dakota as a whole.
Politics vary noticeably by neighborhood within Piedmont. The east side is the most Republican-leaning (R+65) and the south side is the least Republican-leaning (R+52), a spread of about 13 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.
Areas with many family households vote Republican. About 76% of households in Piedmont are family households, about 10 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Piedmont, SD sits in the top quarter nationally on this measure.
Why turnout in Piedmont looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Piedmont 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 91% of households in Piedmont own their home, about 16 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 97% of adults in Piedmont have completed high school, above 89% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bethlehem, SD R+61
- Summerset, SD R+46
- Black Hawk, SD R+46
- Tilford, SD R+62
- Nemo, SD R+54
- Sulphur, SD R+35
- Johnson Siding, SD R+40
- Rapid City, SD R+22
- Ashland Heights, SD R+46
- Fort Meade, SD R+49
Cities with Similar Populations
- Winsted, MN R+47
- Greenville, NY R+26
- Helmetta, NJ R+16
- Waterflow, NM D+12
- Verona, NY R+37
- Vincent, AL R+52
- New Bloomfield, MO R+57
- Hamilton, IN R+52
- Paden City, WV R+55
- Cambridge City, IN R+52
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from South Dakota Secretary of State, Elections, 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.