McDonough, GA Political Map | Democrat & Republican Areas in McDonough

By the BestNeighborhood data science team. Last updated May 2026.

McDonough leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 82% of adults in McDonough typically vote, above the U.S. average of about 62%. Among adults in McDonough, ~50% vote Democratic, ~32% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.

How McDonough compares

Among cities within 25 miles, McDonough leans more Democratic than 37 of 64 neighbors.

McDonough runs about 25 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and McDonough sits clearly on the Democratic side.

Politics vary noticeably by neighborhood within McDonough. The south side runs the most Democratic (D+62) and the southeast side runs the most Republican (R+14), a spread of about 75 points.

Why McDonough 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 McDonough, not a ranked or complete list of what matters most.

Density combined with diversity predicts Democratic voting. Non-Hispanic white share in McDonough is about 32%, about 40 points below the U.S. average of 72%. High college attainment predicts Democratic voting, and McDonough sits in the top quarter (about 32%, above 77% of cities). A high never-married share predicts Democratic voting, and about 37% of adults in McDonough have never been married, above 90% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; McDonough, GA sits in the top quarter nationally on this measure.

Why turnout in McDonough looks the way it does

Turnout in McDonough 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.

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Sources and methodology

Precinct-level voting records used to fit the model come from Georgia Elections Division, 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.