57367 is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 51% of adults in 57367 typically vote, below the U.S. average of about 62%. Among adults in 57367, ~25% vote Democratic, ~27% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 57367 compares
Among zip codes within 15 miles, 57367 is the least Republican-leaning.
57367 runs about 26 points more Democratic than South Dakota as a whole.
Why 57367 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 57367. The lean here lands roughly where demographic data alone would predict.
Population density, never-married share, and Republican lean
Places that combine low population density and a never-married-heavy adult population tend to lean Republican, as 57367, SD does.
Why turnout in 57367 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 57367 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 41% of households in 57367 rent, compared to around 22% in nearby zip codes. High-crime urban areas turn out at lower rates, and 57367 sits in the top 15% on a violent-crime measure. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.