Madison Parish leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.
About 64% of adults in Madison Parish typically vote, near the U.S. average of about 62%. Among adults in Madison Parish, ~34% vote Democratic, ~30% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Madison Parish compares
Among counties within 50 miles, Madison Parish leans more Democratic than 7 of 11 neighbors.
Madison Parish runs about 28 points more Democratic than Louisiana as a whole. Louisiana leans Republican overall, while Madison Parish is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Madison Parish. The north side runs the most Democratic (D+81) and the southwest side runs the most Republican (R+83), a spread of about 164 points.
Why Madison Parish 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 Madison Parish, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Madison Parish is about 31%, about 41 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 44% of adults in Madison Parish have never been married, above 96% of counties. Madison Parish runs against the grain of Louisiana, a Democratic-leaning pocket in a Republican-leaning state.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; Madison Parish, LA sits in the bottom 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 Madison Parish looks the way it does
Turnout in Madison Parish sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Warren County, MS D+6
- East Carroll Parish, LA D+18
- Richland Parish, LA R+38
- Tensas Parish, LA R+4
- West Carroll Parish, LA R+70
- Franklin Parish, LA R+38
- Claiborne County, MS D+61
- Issaquena County, MS R+11
- Sharkey County, MS D+48
- Jefferson County, MS D+63
Counties with Similar Populations
- Franklin County, IA R+43
- Ochiltree County, TX R+58
- Perry County, AR R+62
- Lewis County, MO R+59
- Keokuk County, IA R+47
- Carroll County, MS R+40
- Marshall County, KS R+53
- Jackson County, MN R+42
- Nome Census Area, AK D+23
- Yuma County, CO R+60
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.