Glencross is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 43% of adults in Glencross typically vote, below the U.S. average of about 62%. Among adults in Glencross, ~22% vote Democratic, ~21% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How Glencross compares
Among cities within 25 miles, Glencross sits roughly in the middle of the political spectrum, with 4 neighbors leaning further in the place's direction and 7 leaning the other way.
Glencross runs about 32 points more Democratic than South Dakota as a whole. South Dakota leans Republican overall, while Glencross sits closer to the political middle.
Politics vary noticeably by neighborhood within Glencross. The east side runs the most Democratic (D+58) and the southwest side runs the most Republican (R+51), a spread of about 109 points.
Why Glencross 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 Glencross, not a ranked or complete list of what matters most.
Glencross votes against the grain of South Dakota. South Dakota leans Republican overall, while Glencross runs about 32 points more Democratic.
Homeownership and voter turnout
Places with renter-heavy households tend to turn out at a lower rate; Glencross, SD sits in the bottom tenth nationally on this measure.
Why turnout in Glencross looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Glencross is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in Glencross rent, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Timber Lake, SD R+44
- Trail City, SD R+16
- Whitehorse, SD R+51
- Little Eagle, SD D+58
- Walker, SD D+37
- Mahto, SD D+33
- Bullhead, SD D+58
- Wakpala, SD D+58
- Liberty, SD D+48
- Mobridge, SD R+41
Cities with Similar Populations
- Zoar, IN R+57
- Zenia, CA R+21
- Wrights, PA R+61
- Elmira, OH R+61
- Rumbley, MD R+37
- Kizer, AR R+47
- Elkdale, PA R+42
- Rowleys Bay, WI D+14
- Wahweap, AZ R+33
- Crystal Falls, TX R+76
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.