Lake Andes, SD Political Map | Democrat & Republican Areas in Lake Andes

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

Lake Andes leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.

 

About 46% of adults in Lake Andes typically vote, below the U.S. average of about 62%. Among adults in Lake Andes, ~13% vote Democratic, ~33% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.

How Lake Andes compares

Among cities within 25 miles, Lake Andes leans more Republican than 4 of 18 neighbors.

Lake Andes runs about 15 points more Republican than South Dakota as a whole.

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

Rural areas vote Republican. About 5% of residents in Lake Andes live in densely developed areas, about 32 points below the U.S. average of 36%.

Population density and Republican lean

Places with low population density tend to lean Republican; Lake Andes, SD sits in the bottom quarter nationally on this measure.

Why turnout in Lake Andes looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Lake Andes is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. High-crime urban areas turn out at lower rates, and Lake Andes 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.