Gibson County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 70% of adults in Gibson County typically vote, above the U.S. average of about 62%. Among adults in Gibson County, ~17% vote Democratic, ~52% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How Gibson County compares
Among counties within 50 miles, Gibson County leans more Republican than 9 of 19 neighbors.
Gibson County runs about 30 points more Republican than Indiana as a whole.
Politics vary noticeably by city within Gibson County. The northeast side is the most Republican-leaning (R+58) and the north side is the least Republican-leaning (R+42), a spread of about 16 points.
Why Gibson 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 Gibson County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 83% of residents in Gibson County drive to work alone, about 9 points above the U.S. average of 74%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Gibson County, IN sits above the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Gibson County looks the way it does
Turnout in Gibson 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
- Wabash County, IL R+51
- Pike County, IN R+55
- Vanderburgh County, IN R+9
- Warrick County, IN R+33
- Posey County, IN R+45
- Edwards County, IL R+64
- Knox County, IN R+41
- Lawrence County, IL R+47
- Henderson County, KY R+33
- Dubois County, IN R+44
Counties with Similar Populations
- Pike County, AL R+17
- Transylvania County, NC R+17
- Lafayette County, MO R+51
- Hot Spring County, AR R+51
- Jasper County, TX R+54
- Jefferson County, WA D+45
- Greenbrier County, WV R+47
- Lawrence County, AL R+63
- Jasper County, IN R+50
- Morgan County, IL R+25
Sources and methodology
Precinct-level voting records used to fit the model come from Indiana Secretary of State, Elections, 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.