Marengo County is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 69% of adults in Marengo County typically vote, above the U.S. average of about 62%. Among adults in Marengo County, ~36% vote Democratic, ~33% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Marengo County compares
Among counties within 50 miles, Marengo County leans more Democratic than 2 of 8 neighbors.
Marengo County runs about 34 points more Democratic than Alabama as a whole. Alabama leans Republican overall, while Marengo County is one of the few Democratic-leaning pockets.
Politics vary noticeably by city within Marengo County. The north side runs the most Democratic (D+51) and the northeast side runs the most Republican (R+37), a spread of about 88 points.
Why Marengo 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 Marengo County, not a ranked or complete list of what matters most.
Marengo County votes against the grain of Alabama. Alabama leans Republican overall, while Marengo County runs about 34 points more Democratic.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Marengo County, AL sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Marengo County looks the way it does
Turnout in Marengo County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Sumter County, AL D+43
- Perry County, AL D+41
- Hale County, AL D+13
- Wilcox County, AL D+22
- Greene County, AL D+53
- Choctaw County, AL R+22
- Dallas County, AL D+38
- Clarke County, AL R+14
- Lauderdale County, MS R+5
- Clarke County, MS R+26
Counties with Similar Populations
- Polk County, NC R+31
- Hart County, KY R+61
- Cherokee County, KS R+56
- Benton County, MO R+60
- Los Alamos County, NM D+27
- Polk County, AR R+63
- Freestone County, TX R+56
- Kent County, MD Even
- Roosevelt County, NM R+37
- Chaffee County, CO D+6
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.