White River, SD Political Map | Democrat & Republican Areas in White River

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

White River leans Republican by roughly 26 points: about 37% of voters vote Democratic and 63% Republican.

 

About 49% of adults in White River typically vote, below the U.S. average of about 62%. Among adults in White River, ~18% vote Democratic, ~31% Republican, and ~51% don't vote. The map below shows estimated turnout by block group.

How White River compares

Among cities within 25 miles, White River leans more Republican than 7 of 12 neighbors.

Politically, White River sits close to the rest of South Dakota.

Politics vary noticeably by neighborhood within White River. The northeast side is the most Republican-leaning (R+37) and the northwest side is the least Republican-leaning (R+12), a spread of about 26 points.

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

Rural areas vote Republican. About 1% of residents in White River live in densely developed areas, about 8 points below the South Dakota average of 9%.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; White River, 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 White River looks the way it does

Areas with limited routine healthcare access turn out at lower rates. White River 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 46%, about 20 points below the South Dakota average of 66%. Renters vote less often than owners, and about 39% of households in White River rent, above 94% of cities. High-crime urban areas turn out at lower rates, and White River sits in the top 15% on a violent-crime measure. 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.