Johnson County leans heavily Republican by roughly 38 points: about 31% of voters vote Democratic and 69% Republican.
About 58% of adults in Johnson County typically vote, near the U.S. average of about 62%. Among adults in Johnson County, ~18% vote Democratic, ~40% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How Johnson County compares
Among counties within 50 miles, Johnson County leans more Republican than 15 of 20 neighbors.
Johnson County runs about 37 points more Republican than Georgia as a whole.
Politics vary noticeably by city within Johnson County. The east side is the most Republican-leaning (R+81) and the west side is the least Republican-leaning (R+13), a spread of about 68 points.
Why Johnson 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 Johnson County, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 9% of adults in Johnson County hold a bachelor's degree, about 15 points below the Georgia average of 24%. Rural areas vote Republican, and Johnson County sits in the bottom quarter on density (about 9%, below 86% of counties).
Population density and Republican lean
Places with low population density tend to lean Republican; Johnson County, GA sits in the bottom quarter nationally on this measure.
Why turnout in Johnson County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Johnson 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 46%, about 9 points below the Georgia average of 56%. High food insecurity lines up with lower turnout, and about 27% of adults in Johnson County report food insecurity, above 93% of counties. Low high-school completion lines up with lower turnout, and about 76% of adults in Johnson County have completed high school, below 97% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Laurens County, GA R+19
- Washington County, GA D+3
- Treutlen County, GA R+35
- Emanuel County, GA R+35
- Jefferson County, GA D+5
- Wilkinson County, GA R+22
- Glascock County, GA R+80
- Montgomery County, GA R+47
- Wheeler County, GA R+31
- Toombs County, GA R+34
Counties with Similar Populations
- Terrell County, GA D+18
- Forest County, WI R+33
- Somervell County, TX R+67
- Jones County, NC R+24
- Pratt County, KS R+53
- Montmorency County, MI R+42
- McLean County, KY R+58
- Seminole County, GA R+30
- Claiborne County, MS D+61
- Clinton County, KY R+72
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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.