Geddes is a Republican stronghold. About 17% of voters here vote Democratic and 83% Republican.
About 58% of adults in Geddes typically vote, near the U.S. average of about 62%. Among adults in Geddes, ~10% vote Democratic, ~48% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Geddes compares
Among cities within 25 miles, Geddes leans more Republican than 11 of 16 neighbors.
Geddes runs about 37 points more Republican than South Dakota as a whole.
Politics vary noticeably by neighborhood within Geddes. The west side is the most Republican-leaning (R+73) and the northeast side is the least Republican-leaning (R+52), a spread of about 20 points.
Why Geddes 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 Geddes, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in Geddes live in densely developed areas, about 6 points below the South Dakota average of 9%.
Population density and Republican lean
Places with low population density tend to lean Republican; Geddes, SD sits in the bottom tenth nationally on this measure.
Why turnout in Geddes looks the way it does
High-crime urban areas turn out at lower rates, mostly because the housing stress common in those areas makes voting harder. Geddes sits in the top 15% nationally on a violent-crime measure. See CrimeGrade for more details. Low high-school completion lines up with lower turnout, and about 96% of adults in Geddes have completed high school, above 82% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lake Andes, SD R+44
- New Holland, SD R+70
- Platte, SD R+66
- Harrison, SD R+71
- Pickstown, SD R+15
- Bonesteel, SD R+65
- Fairfax, SD R+63
- Ravinia, SD R+40
- Armour, SD R+59
- Corsica, SD R+72
Cities with Similar Populations
- Dubois, ID R+65
- Goodville, PA R+48
- Milroy, MN R+64
- Fargo, OK R+80
- Goose Lake, IA R+48
- Asharoken, NY R+12
- Lucky Ridge, TX R+76
- Oro Loma, CA R+24
- Macon, TX R+66
- Rosstown, IN R+58
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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.