Tattnall County leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 66% of adults in Tattnall County typically vote, near the U.S. average of about 62%. Among adults in Tattnall County, ~18% vote Democratic, ~48% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How Tattnall County compares
Among counties within 50 miles, Tattnall County leans more Republican than 11 of 17 neighbors.
Tattnall County runs about 41 points more Republican than Georgia as a whole.
Politics vary noticeably by city within Tattnall County. The east side is the most Republican-leaning (R+67) and the southwest side is the least Republican-leaning (R+28), a spread of about 39 points.
Why Tattnall County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Tattnall County. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Tattnall County, GA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Tattnall County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Tattnall County is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 7 points below the Georgia average of 56%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Evans County, GA R+33
- Toombs County, GA R+34
- Appling County, GA R+53
- Candler County, GA R+40
- Long County, GA R+26
- Montgomery County, GA R+47
- Wayne County, GA R+52
- Bulloch County, GA R+10
- Liberty County, GA D+16
- Jeff Davis County, GA R+57
Counties with Similar Populations
- Columbia County, AR R+18
- Osceola County, MI R+46
- Franklin County, IN R+63
- Emanuel County, GA R+35
- Allen Parish, LA R+48
- New Kent County, VA R+28
- Caswell County, NC R+23
- Klickitat County, WA R+11
- Poinsett County, AR R+56
- Johnson County, KY R+66
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.