57473 is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 68% of adults in 57473 typically vote, above the U.S. average of about 62%. Among adults in 57473, ~11% vote Democratic, ~57% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 57473 compares
57473 runs about 39 points more Republican than South Dakota as a whole.
Why 57473 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 57473, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 57473 sits in the bottom quarter on density and about 97% of residents are non-Hispanic white, about 17 points above the South Dakota average of 81%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 57473, SD sits in the bottom tenth 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 57473 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 57473 have completed high school, about 5 points above the South Dakota average of 92%. Homeowners vote more often than renters, and about 89% of households in 57473 own their home, above 82% of zip codes. 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.