Oelrichs is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 62% of adults in Oelrichs typically vote, near the U.S. average of about 62%. Among adults in Oelrichs, ~14% vote Democratic, ~48% Republican, and ~38% don't vote. The map below shows estimated turnout by block group.
How Oelrichs compares
Among cities within 25 miles, Oelrichs leans more Republican than 4 of 9 neighbors.
Oelrichs runs about 25 points more Republican than South Dakota as a whole.
Politics vary noticeably by neighborhood within Oelrichs. The west side is the most Republican-leaning (R+71) and the northeast side is the least Republican-leaning (R+9), a spread of about 62 points.
Why Oelrichs leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Oelrichs. The lean here lands roughly where demographic data alone would predict.
High-school completion, developed land, and voter turnout
Places that combine high-school-completion-heavy adults and a rural land-use pattern tend to turn out at a higher rate, as Oelrichs, SD does.
Why turnout in Oelrichs looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in Oelrichs have completed high school, about 7 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Smithwick, SD R+69
- Oral, SD R+71
- Loomer, SD D+4
- Provo, SD R+60
- Hot Springs, SD R+48
- Buffalo Gap, SD R+53
- Rumford, SD R+69
- Oglala, SD D+61
- Chadron, NE R+31
Cities with Similar Populations
- Plugtown, WI R+37
- Amherst, CO R+71
- Pinkston, NC D+7
- Downsville, WI R+35
- Ano, KY R+75
- Mars Hill, LA R+69
- Kolin, MT R+59
- Strawberry, AZ R+46
- Loch Lomond, CA Even
- Joy, TX R+83
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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.