Bibb County leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 68% of adults in Bibb County typically vote, above the U.S. average of about 62%. Among adults in Bibb County, ~45% vote Democratic, ~23% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Bibb County compares
Among counties within 50 miles, Bibb County is the most Democratic-leaning.
Bibb County runs about 35 points more Democratic than Georgia as a whole. Georgia is roughly evenly split, and Bibb County sits clearly on the Democratic side.
Politics vary noticeably by city within Bibb County. The northeast side is the most Democratic-leaning (D+69) and the northwest side is the least Democratic-leaning (D+3), a spread of about 67 points.
Why Bibb 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 Bibb County, not a ranked or complete list of what matters most.
Density combined with diversity predicts Democratic voting. Non-Hispanic white share in Bibb County is about 35%, about 38 points below the U.S. average of 72%. A high never-married share predicts Democratic voting, and about 43% of adults in Bibb County have never been married, above 96% of counties. Bibb County 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; Bibb County, GA sits in the top quarter nationally on this measure.
Why turnout in Bibb County looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Bibb County 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.
Nearby Counties
- Jones County, GA R+41
- Crawford County, GA R+48
- Twiggs County, GA R+22
- Peach County, GA D+7
- Houston County, GA R+4
- Monroe County, GA R+42
- Wilkinson County, GA R+22
- Baldwin County, GA Even
- Lamar County, GA R+36
- Taylor County, GA R+22
Counties with Similar Populations
- Rankin County, MS R+42
- Stafford County, VA D+6
- Schenectady County, NY D+17
- Sullivan County, TN R+50
- Centre County, PA D+8
- Stearns County, MN R+21
- Martin County, FL R+25
- Madera County, CA R+11
- Columbia County, GA R+21
- Franklin County, PA R+41
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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.