Caseyville is a Republican stronghold. About 16% of voters here vote Democratic and 84% Republican.
About 52% of adults in Caseyville typically vote, below the U.S. average of about 62%. Among adults in Caseyville, ~8% vote Democratic, ~44% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How Caseyville compares
Among cities within 25 miles, Caseyville leans more Republican than 30 of 39 neighbors.
Caseyville runs about 45 points more Republican than Mississippi as a whole.
Politics vary noticeably by neighborhood within Caseyville. The southwest side is the most Republican-leaning (R+75) and the north side is the least Republican-leaning (R+63), a spread of about 12 points.
Why Caseyville 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 Caseyville, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 5% of residents in Caseyville live in densely developed areas, about 10 points below the Mississippi average of 15%. Low college attainment predicts Republican voting, and Caseyville sits in the bottom quarter (about 11%, below 89% of cities). A high family-household share predicts Republican voting, and about 75% of households in Caseyville are family households, above 76% of cities.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Caseyville, MS sits in the bottom quarter 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 Caseyville looks the way it does
Low high-school completion lines up with lower turnout, and about 95% of adults in Caseyville have completed high school, above 74% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Vaughn, MS R+68
- Cobbs, MS R+76
- New Sight, MS R+45
- Union Church, MS R+18
- Zetus, MS R+73
- Lucien, MS R+74
- Glancy, MS R+29
- Barlow, MS R+22
- Brookhaven, MS R+15
- West Lincoln, MS R+74
Cities with Similar Populations
- Loch Lloyd, MO R+22
- Hobart, NY Even
- Shady Dale, GA R+57
- Kelly, NC R+14
- Jolo, WV R+75
- Westley, CA R+31
- Keiser, AR R+73
- Martins Creek, PA R+38
- Fort Shaw, MT R+63
- Puckett, MS R+72
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Sources and methodology
Precinct-level voting records used to fit the model come from Mississippi 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.