Lake Poinsett is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 64% of adults in Lake Poinsett typically vote, near the U.S. average of about 62%. Among adults in Lake Poinsett, ~14% vote Democratic, ~50% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Lake Poinsett compares
Among cities within 25 miles, Lake Poinsett leans more Republican than 19 of 31 neighbors.
Lake Poinsett runs about 26 points more Republican than South Dakota as a whole.
Politics vary noticeably by neighborhood within Lake Poinsett. The west side is the most Republican-leaning (R+66) and the east side is the least Republican-leaning (R+50), a spread of about 16 points.
Why Lake Poinsett leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Lake Poinsett. The lean here lands roughly where demographic data alone would predict.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Lake Poinsett, SD sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Lake Poinsett looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lake Poinsett is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 71%, about 11 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Stone Bridge, SD R+50
- Arlington Beach, SD R+51
- Lake Norden, SD R+70
- Estelline, SD R+52
- Badger, SD R+53
- Hayti, SD R+73
- Kones Corner, SD R+65
- Castlewood, SD R+56
- Bruce, SD R+52
- Hetland, SD R+50
Cities with Similar Populations
- Rhonesboro, TX R+71
- White Plains, AL R+82
- Baileyville, IL R+46
- Katesville, NC D+29
- Mooresburg, PA R+41
- Lydia, LA R+53
- Fort Monmouth, NJ R+6
- Birch River, WV R+59
- Lippincotts, OH R+61
- Skaneateles Falls, NY R+8
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.