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

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

Hosmer is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.

 

About 51% of adults in Hosmer typically vote, below the U.S. average of about 62%. Among adults in Hosmer, ~10% vote Democratic, ~41% Republican, and ~49% don't vote. The map below shows estimated turnout by block group.

How Hosmer compares

Among cities within 25 miles, Hosmer leans more Republican than 1 of 9 neighbors.

Hosmer runs about 33 points more Republican than South Dakota as a whole.

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

Rural areas with a high white share vote Republican. Hosmer sits in the bottom quarter on density and about 94% of residents are non-Hispanic white, about 13 points above the South Dakota average of 81%.

Developed land and Republican lean

Places with a rural land-use pattern tend to lean Republican; Hosmer, SD sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Hosmer looks the way it does

Turnout in Hosmer sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.