Roubaix is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 78% of adults in Roubaix typically vote, above the U.S. average of about 62%. Among adults in Roubaix, ~17% vote Democratic, ~61% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Roubaix compares
Among cities within 25 miles, Roubaix leans more Republican than 21 of 26 neighbors.
Roubaix runs about 26 points more Republican than South Dakota as a whole.
Why Roubaix leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Roubaix. The lean here lands roughly where demographic data alone would predict.
Population density and Republican lean
Places with low population density tend to lean Republican; Roubaix, SD sits in the bottom tenth nationally on this measure.
Why turnout in Roubaix looks the way it does
Homeowners vote more often than renters. About 96% of households in Roubaix own their home, about 19 points above the South Dakota average of 77%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Englewood, SD R+55
- Nemo, SD R+54
- Galena, SD R+50
- Rochford, SD R+42
- Lead, SD R+33
- Deadwood, SD R+49
- Tilford, SD R+62
- Trojan, SD R+51
Cities with Similar Populations
- Zemuly, MS R+3
- Stringtown, WA R+18
- Greencastle, OH R+43
- North Hampton Center, NH D+9
- Greenock, PA R+23
- Nonpareil, OR R+36
- Marion, MN R+15
- Hildebrand, OR R+51
- East Armuchee, GA R+73
- Webb Summit, OH R+55
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.