Dupree leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 48% of adults in Dupree typically vote, below the U.S. average of about 62%. Among adults in Dupree, ~17% vote Democratic, ~31% Republican, and ~52% don't vote. The map below shows estimated turnout by block group.
How Dupree compares
Among cities within 25 miles, Dupree leans more Republican than 6 of 8 neighbors.
Politically, Dupree sits close to the rest of South Dakota.
Politics vary noticeably by neighborhood within Dupree. The southwest side runs the most Democratic (D+37) and the northwest side runs the most Republican (R+33), a spread of about 70 points.
Why Dupree leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Dupree. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Dupree, SD 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 Dupree looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Dupree 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 46%, about 20 points below the South Dakota average of 66%. Renters vote less often than owners, and about 31% of households in Dupree rent, above 85% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bear Creek, SD D+31
- Lantry, SD D+48
- Thunder Butte, SD R+33
- Glad Valley, SD D+37
- North Eagle Butte, SD D+60
- Eagle Butte, SD D+54
- Faith, SD R+76
- Green Grass, SD D+14
- Isabel, SD R+37
Cities with Similar Populations
- Middle Granville, NY R+42
- Eureka, UT R+76
- Two Rivers, AK R+24
- Hardwick, CA R+53
- Alverno, MI R+29
- Star Lake, NY R+25
- Charter Oak, IA R+57
- Kirvin, TX R+70
- Crab Orchard Estates, IL R+21
- Fort Lyon, CO R+48
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.