Frankfort is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 61% of adults in Frankfort typically vote, near the U.S. average of about 62%. Among adults in Frankfort, ~14% vote Democratic, ~47% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How Frankfort compares
Among cities within 25 miles, Frankfort leans more Republican than 5 of 18 neighbors.
Frankfort runs about 24 points more Republican than South Dakota as a whole.
Why Frankfort 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 Frankfort, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Frankfort sits in the bottom quarter on density and about 98% of residents are non-Hispanic white, about 17 points above the South Dakota average of 81%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Frankfort, SD sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Frankfort looks the way it does
Turnout in Frankfort sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Glendale Colony, SD R+54
- Doland, SD R+54
- Spink Colony, SD R+54
- Turton, SD R+51
- Ashton, SD R+55
- Redfield, SD R+45
- Hillside Colony, SD R+54
- Raymond, SD R+57
- Tulare, SD R+57
- Brentford, SD R+51
Cities with Similar Populations
- McElroy, TX R+80
- West Waynesburg, PA R+52
- East Templeton, MA R+16
- Westland, PA R+38
- Pennington, CA R+51
- East Frankfort, NY R+40
- Loraine, MS R+71
- Westview, KY R+64
- Marseilles, OH R+65
- Kirk, CO R+70
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.