Jefferson Davis County leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 71% of adults in Jefferson Davis County typically vote, above the U.S. average of about 62%. Among adults in Jefferson Davis County, ~37% vote Democratic, ~33% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Jefferson Davis County compares
Among counties within 50 miles, Jefferson Davis County leans more Democratic than 12 of 13 neighbors.
Jefferson Davis County runs about 29 points more Democratic than Mississippi as a whole. Mississippi leans Republican overall, while Jefferson Davis County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Jefferson Davis County. The northwest side runs the most Democratic (D+37) and the south side runs the most Republican (R+50), a spread of about 87 points.
Why Jefferson Davis County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Jefferson Davis County, 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 55% of residents in Jefferson Davis County are Black or African American, about 19 points above the Mississippi average of 36%. Jefferson Davis County runs against the grain of Mississippi, a Democratic-leaning pocket in a Republican-leaning state.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Jefferson Davis County, MS sits in the top tenth nationally on this measure.
Why turnout in Jefferson Davis County looks the way it does
Homeowners vote more often than renters. About 85% of households in Jefferson Davis County own their home, about 9 points above the Mississippi average of 77%. Limited routine healthcare access lines up with lower turnout, and Jefferson Davis County sits in the bottom quarter on routine-care measures. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Covington County, MS R+32
- Lawrence County, MS R+30
- Marion County, MS R+33
- Simpson County, MS R+29
- Lamar County, MS R+40
- Smith County, MS R+59
- Walthall County, MS R+26
- Forrest County, MS R+6
- Lincoln County, MS R+37
- Jones County, MS R+32
Counties with Similar Populations
- Montgomery County, MO R+56
- Okfuskee County, OK R+53
- Pope County, MN R+38
- Live Oak County, TX R+61
- Monroe County, KY R+69
- Martin County, KY R+74
- Wabash County, IL R+51
- Owen County, KY R+63
- Blanco County, TX R+53
- Watonwan County, MN R+29
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.