Osceola is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 60% of adults in Osceola typically vote, near the U.S. average of about 62%. Among adults in Osceola, ~13% vote Democratic, ~47% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Osceola compares
Among cities within 25 miles, Osceola leans more Republican than 10 of 18 neighbors.
Osceola runs about 28 points more Republican than South Dakota as a whole.
Why Osceola leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Osceola. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Osceola, SD sits in the bottom quarter 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 Osceola looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Osceola 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%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Yale, SD R+61
- Iroquois, SD R+54
- Bancroft, SD R+54
- Manchester, SD R+53
- Pearl Creek Colony, SD R+59
- Carpenter, SD R+59
- Riverside Colony, SD R+62
- Cavour, SD R+60
- DeSmet, SD R+52
- Willow Lake, SD R+62
Cities with Similar Populations
- Monument, KS R+79
- Montpelier, KY R+70
- Peth, NY R+33
- Merrilville, NY R+14
- Hazelhurst, IL R+46
- North Harpersfield, NY R+29
- Peppertown, IN R+63
- Lawrence, UT R+71
- Meadow Creek, WV R+57
- Redwood Terrace, CA D+51
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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.