Kingsbury County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 63% of adults in Kingsbury County typically vote, near the U.S. average of about 62%. Among adults in Kingsbury County, ~16% vote Democratic, ~47% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.
How Kingsbury County compares
Among counties within 50 miles, Kingsbury County leans more Republican than 5 of 11 neighbors.
Kingsbury County runs about 21 points more Republican than South Dakota as a whole.
Why Kingsbury County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Kingsbury County, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. Kingsbury County sits in the bottom quarter on density and about 92% of residents are non-Hispanic white, about 11 points above the South Dakota average of 81%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Kingsbury County, SD sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Kingsbury County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Kingsbury County 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 82% of households in Kingsbury County own their home, above 88% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Hamlin County, SD R+64
- Miner County, SD R+52
- Lake County, SD R+38
- Brookings County, SD R+25
- Clark County, SD R+57
- Codington County, SD R+42
- Beadle County, SD R+46
- Moody County, SD R+40
- Deuel County, SD R+54
- Sanborn County, SD R+59
Counties with Similar Populations
- Pulaski County, IL R+26
- Wirt County, WV R+65
- Carter County, MO R+71
- Big Stone County, MN R+33
- Polk County, NE R+62
- Warren County, GA D+15
- Scott County, KS R+67
- Delta County, TX R+68
- Aleutians West Census Area, AK Even
- Martin County, TX R+68
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.