Henry County leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 80% of adults in Henry County typically vote, above the U.S. average of about 62%. Among adults in Henry County, ~50% vote Democratic, ~30% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Henry County compares
Among counties within 50 miles, Henry County leans more Democratic than 20 of 25 neighbors.
Henry County runs about 28 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and Henry County sits clearly on the Democratic side.
Politics vary noticeably by city within Henry County. The northwest side runs the most Democratic (D+54) and the southeast side runs the most Republican (R+8), a spread of about 62 points.
Why Henry 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 Henry County, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Henry County is about 33%, about 39 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 36% of adults in Henry County have never been married, above 87% of counties. Henry County runs against the grain of Georgia, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; Henry County, GA sits above the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Henry County looks the way it does
Turnout in Henry 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
- Clayton County, GA D+68
- Rockdale County, GA D+42
- Spalding County, GA R+8
- Butts County, GA R+38
- Newton County, GA D+16
- Fayette County, GA R+4
- DeKalb County, GA D+63
- Lamar County, GA R+36
- Jasper County, GA R+48
- Pike County, GA R+70
Counties with Similar Populations
- Hays County, TX D+4
- Lafayette Parish, LA R+23
- Warren County, OH R+30
- Arlington County, VA D+57
- Union County, NC R+20
- Norfolk City, VA D+44
- Caddo Parish, LA D+18
- Sussex County, DE R+12
- Yavapai County, AZ R+22
- Washington County, AR R+3
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.