57714 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 53% of adults in 57714 typically vote, below the U.S. average of about 62%. Among adults in 57714, ~30% vote Democratic, ~23% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 57714 compares
57714 sits in a sparsely populated area with few comparable zip codes nearby.
57714 runs about 43 points more Democratic than South Dakota as a whole. South Dakota leans Republican overall, while 57714 is one of the few Democratic-leaning pockets.
Politics vary noticeably by block within 57714. The southwest side runs the most Democratic (D+58) and the southeast side runs the most Republican (R+14), a spread of about 72 points.
Why 57714 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 57714, not a ranked or complete list of what matters most.
57714 votes against the grain of South Dakota. South Dakota leans Republican overall, while 57714 runs about 43 points more Democratic. A high never-married share predicts Democratic voting, and about 56% of adults in 57714 have never been married, above 97% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 57714, SD sits in the bottom tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 57714 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 57714 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 39%, about 27 points below the South Dakota average of 66%. Renters vote less often than owners, and about 53% of households in 57714 rent, about 28 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and about 76% of adults in 57714 have completed high school, below 95% 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.