57760 is a Republican stronghold. About 12% of voters here vote Democratic and 88% Republican.
About 71% of adults in 57760 typically vote, above the U.S. average of about 62%. Among adults in 57760, ~8% vote Democratic, ~63% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 57760 compares
57760 sits in a sparsely populated area with few comparable zip codes nearby.
57760 runs about 47 points more Republican than South Dakota as a whole.
Politics vary noticeably by block within 57760. The northeast side is the most Republican-leaning (R+85) and the west side is the least Republican-leaning (R+73), a spread of about 12 points.
Why 57760 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 57760. The lean here lands roughly where demographic data alone would predict.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 57760, SD sits in the bottom quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 57760 looks the way it does
Homeowners vote more often than renters. About 91% of households in 57760 own their home, about 14 points above the South Dakota average of 77%. 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.