Mayfield is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 67% of adults in Mayfield typically vote, near the U.S. average of about 62%. Among adults in Mayfield, ~14% vote Democratic, ~53% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How Mayfield compares
Among cities within 25 miles, Mayfield leans more Republican than 21 of 30 neighbors.
Mayfield runs about 29 points more Republican than South Dakota as a whole.
Why Mayfield leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Mayfield, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Mayfield live in densely developed areas, about 31 points below the U.S. average of 36%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Mayfield, SD sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Mayfield looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Mayfield 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 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pearsons Corner, SD R+55
- Vedin Corner, SD R+56
- Irene, SD R+48
- Midway, SD R+54
- Volin, SD R+56
- Utica, SD R+56
- Turkey Ridge, SD R+53
- Mission Hill, SD R+54
- Wakonda, SD R+44
- Viborg, SD R+51
Cities with Similar Populations
- Lorenzo, IL R+38
- Espanola, FL R+53
- Thor, MN R+40
- Bristol Village, OH R+57
- Galt, IL R+34
- Comer, IL R+56
- Pebble City, GA R+63
- Ireland, TX R+62
- Preston Park, PA R+44
- Gooseville, WI R+42
All Local Stats
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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.