Marshall County is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 64% of adults in Marshall County typically vote, near the U.S. average of about 62%. Among adults in Marshall County, ~12% vote Democratic, ~52% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How Marshall County compares
Among counties within 50 miles, Marshall County leans more Republican than 5 of 11 neighbors.
Marshall County runs about 34 points more Republican than Alabama as a whole.
Politics vary noticeably by city within Marshall County. The southwest side is the most Republican-leaning (R+78) and the southeast side is the least Republican-leaning (R+52), a spread of about 26 points.
Why Marshall 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 Marshall County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 70% of households in Marshall County are family households, above 80% of counties.
Park access and Republican lean
Places with low park coverage tend to lean Republican; Marshall County, AL sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Marshall County looks the way it does
Turnout in Marshall County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Etowah County, AL R+49
- DeKalb County, AL R+71
- Blount County, AL R+79
- Cullman County, AL R+76
- Jackson County, AL R+71
- Madison County, AL R+5
- Cherokee County, AL R+76
- Morgan County, AL R+43
- St. Clair County, AL R+65
- Calhoun County, AL R+35
Counties with Similar Populations
- Ashtabula County, OH R+32
- Lafourche Parish, LA R+55
- Putnam County, NY R+13
- Portsmouth City, VA D+41
- Bastrop County, TX R+24
- Sherburne County, MN R+29
- Roanoke County, VA R+23
- Sevier County, TN R+58
- Burleigh County, ND R+32
- Franklin County, WA R+16
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Sources and methodology
Precinct-level voting records used to fit the model come from Alabama 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.