North Eagle Butte is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.
About 64% of adults in North Eagle Butte typically vote, near the U.S. average of about 62%. Among adults in North Eagle Butte, ~51% vote Democratic, ~13% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How North Eagle Butte compares
Among cities within 25 miles, North Eagle Butte is the most Democratic-leaning.
North Eagle Butte runs about 89 points more Democratic than South Dakota as a whole. South Dakota leans Republican overall, while North Eagle Butte is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within North Eagle Butte. The south side is the most Democratic-leaning (D+61) and the northwest side is the least Democratic-leaning (D+49), a spread of about 12 points.
Why North Eagle Butte 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 North Eagle Butte, not a ranked or complete list of what matters most.
North Eagle Butte votes against the grain of South Dakota. South Dakota leans Republican overall, while North Eagle Butte runs about 89 points more Democratic. A high never-married share predicts Democratic voting, and about 49% of adults in North Eagle Butte have never been married, above 98% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; North Eagle Butte, SD sits above the national average on this measure.
Why turnout in North Eagle Butte looks the way it does
Areas with limited routine healthcare access turn out at lower rates. North Eagle Butte 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 44%, about 21 points below the South Dakota average of 66%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Eagle Butte, SD D+54
- Lantry, SD D+48
- Green Grass, SD D+14
- Bear Creek, SD D+31
- Orton, SD D+42
- Dupree, SD R+28
- Thunder Butte, SD R+33
- Glad Valley, SD D+37
- Whitehorse, SD R+51
- Isabel, SD R+37
Cities with Similar Populations
- Simpson, LA R+84
- Silvertop, TN R+67
- Forest Knolls, CA D+60
- Trapp, MS R+9
- Napier Field, AL R+45
- Bryant, WA R+24
- Centralia, KS R+67
- Gwynedd Valley, PA D+21
- Drummond, WI R+16
- New Site, MS R+87
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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.