Stone Mountain, GA Political Map | Democrat & Republican Areas in Stone Mountain

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

Stone Mountain is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.

 

About 66% of adults in Stone Mountain typically vote, near the U.S. average of about 62%. Among adults in Stone Mountain, ~55% vote Democratic, ~11% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

How Stone Mountain compares

Among cities within 25 miles, Stone Mountain leans more Democratic than 55 of 68 neighbors.

Stone Mountain runs about 69 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and Stone Mountain sits clearly on the Democratic side.

Politics vary noticeably by neighborhood within Stone Mountain. The south side is the most Democratic-leaning (D+81) and the northeast side is the least Democratic-leaning (D+19), a spread of about 61 points.

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

Dense areas vote Democratic. About 88% of residents in Stone Mountain live in densely developed areas, about 52 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 42% of adults in Stone Mountain have never been married, above 95% of cities. Stone Mountain runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.

Population density and Democratic lean

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

Why turnout in Stone Mountain looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Stone Mountain is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.

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.