Lacy is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 38% of adults in Lacy typically vote, below the U.S. average of about 62%. Among adults in Lacy, ~7% vote Democratic, ~31% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.
How Lacy compares
Among cities within 25 miles, Lacy leans more Republican than 4 of 7 neighbors.
Lacy runs about 33 points more Republican than South Dakota as a whole.
Why Lacy 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 Lacy, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 96% of households in Lacy are family households, about 30 points above the U.S. average of 67%. Rural areas vote Republican, and Lacy sits in the bottom quarter on density (about 1%, below 98% of cities).
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Lacy, SD sits in the bottom tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Lacy looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lacy 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 72%, about 12 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Orton, SD D+42
- Okobojo, SD R+68
- Mission Ridge, SD R+59
- South Forest City, SD R+19
- Eakin, SD R+53
- Fort Pierre, SD R+46
- Pierre, SD R+32
Cities with Similar Populations
- Forestburg, SD R+61
- Eden, MN R+47
- Lutzville, PA R+58
- Mayhew, MS D+32
- Ficklin, IL R+63
- Timken, KS R+64
- Dixie, NC D+7
- Feesburg, OH R+66
- Duck Creek, TN R+77
- Welchs Creek, KY R+73
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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.