Unityville, SD Political Map | Democrat & Republican Areas in Unityville

By the BestNeighborhood data science team. Last updated May 2026.

Unityville is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.

 

About 70% of adults in Unityville typically vote, above the U.S. average of about 62%. Among adults in Unityville, ~17% vote Democratic, ~53% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.

How Unityville compares

Among cities within 25 miles, Unityville leans more Republican than 12 of 30 neighbors.

Unityville runs about 23 points more Republican than South Dakota as a whole.

Why Unityville 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 Unityville, not a ranked or complete list of what matters most.

Rural areas with a high white share vote Republican. Unityville sits in the bottom quarter on density and about 98% of residents are non-Hispanic white, about 17 points above the South Dakota average of 81%. A high family-household share predicts Republican voting, and about 86% of households in Unityville are family households, above 98% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Unityville, SD sits in the top quarter 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 Unityville looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Unityville 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 69%, about 9 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Unityville own their home, about 17 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.

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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.