Sisseton is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 60% of adults in Sisseton typically vote, near the U.S. average of about 62%. Among adults in Sisseton, ~31% vote Democratic, ~29% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Sisseton compares
Among cities within 25 miles, Sisseton sits roughly in the middle of the political spectrum, with 22 neighbors leaning further in the place's direction and 0 leaning the other way.
Sisseton runs about 31 points more Democratic than South Dakota as a whole. South Dakota leans Republican overall, while Sisseton sits closer to the political middle.
Politics vary noticeably by neighborhood within Sisseton. The south side runs the most Democratic (D+27) and the northeast side runs the most Republican (R+32), a spread of about 59 points.
Why Sisseton 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 Sisseton, not a ranked or complete list of what matters most.
Sisseton votes against the grain of South Dakota. South Dakota leans Republican overall, while Sisseton runs about 31 points more Democratic.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Sisseton, SD sits in the top 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 Sisseton looks the way it does
Renters vote less often than owners. About 44% of households in Sisseton rent, about 19 points above the U.S. average of 25%. Limited routine healthcare access lines up with lower turnout, and Sisseton sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Peever, SD R+11
- Browns Valley, MN R+36
- New Effington, SD R+47
- Eden, SD R+23
- Claire City, SD R+44
- Beardsley, MN R+30
- Bonanza Grove, MN R+50
- Victor, SD R+55
- Wilmot, SD R+51
- Grenville, SD R+31
Cities with Similar Populations
- Thornwood, NY R+10
- Sansom Park, TX R+9
- Upland, IN R+34
- Watseka, IL R+32
- Hartford, MI R+26
- Granville, NY R+36
- Rock Valley, IA R+62
- Sunset, UT R+20
- American Falls, ID R+38
- Timberville, VA R+61
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.