Supreme leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 59% of adults in Supreme typically vote, near the U.S. average of about 62%. Among adults in Supreme, ~31% vote Democratic, ~28% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How Supreme compares
Among cities within 25 miles, Supreme leans more Democratic than 48 of 73 neighbors.
Supreme runs about 27 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Supreme is one of the few Democratic-leaning pockets.
Why Supreme 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 Supreme, not a ranked or complete list of what matters most.
Rural, majority-Black areas of the Southern Black Belt vote Democratic, against the usual rural pattern. About 40% of residents in Supreme are Black or African American, about 15 points above the Louisiana average of 25%. Supreme runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
High-school completion, uninsured rate, and voter turnout
Places that combine low high-school-completion share and a high uninsured rate tend to turn out at a lower rate, as Supreme, LA does.
Why turnout in Supreme looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Supreme is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 46%, about 9 points below the Louisiana average of 55%. High food insecurity lines up with lower turnout, and about 38% of adults in Supreme report food insecurity, above 98% of cities. Low high-school completion lines up with lower turnout, and about 79% of adults in Supreme have completed high school, below 92% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Georgia, LA D+19
- Labadieville, LA R+63
- St. Thomas, LA R+72
- Foley, LA R+72
- Napoleonville, LA R+6
- Elmfield, LA R+69
- Elm Hall, LA D+11
Cities with Similar Populations
- Ahmeek, MI R+10
- Bretz, WV R+57
- Lyons, KY R+63
- Glennonville, MO R+74
- Jordan Hill, LA R+88
- Sliders, VA R+44
- Waverly Mills, SC R+24
- Turkey, TX R+79
- Holland, KY R+70
- Burning Springs, KY R+78
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Sources and methodology
Precinct-level voting records used to fit the model come from Louisiana 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.