Mosher is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 64% of adults in Mosher typically vote, near the U.S. average of about 62%. Among adults in Mosher, ~12% vote Democratic, ~52% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Mosher compares
Among cities within 25 miles, Mosher leans more Republican than 5 of 11 neighbors.
Mosher runs about 32 points more Republican than South Dakota as a whole.
Politics vary noticeably by neighborhood within Mosher. The west side runs the most Democratic (D+33) and the southeast side runs the most Republican (R+73), a spread of about 106 points.
Why Mosher 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 Mosher, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Mosher live in densely developed areas, about 7 points below the South Dakota average of 9%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Mosher, SD sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Mosher looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in Mosher have completed high school, about 5 points above the South Dakota average of 92%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Witten, SD R+71
- Wewela, SD R+63
- Carter, SD R+56
- Keyapaha, SD R+31
- Okreek, SD D+27
- Winner, SD R+52
- Millboro, SD R+73
- Colome, SD R+71
- Ideal, SD R+69
Cities with Similar Populations
- Priscilla, MS D+19
- Mizell, GA R+41
- McJester, AR R+70
- Shumans, PA R+53
- Grant, MT R+63
- Dulin, TX R+80
- Sigsbee, MO R+72
- Saranac Inn, NY R+9
- Pontoon, AR R+49
- Desert Lake, CA R+45
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.