Vigo County leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 60% of adults in Vigo County typically vote, near the U.S. average of about 62%. Among adults in Vigo County, ~26% vote Democratic, ~34% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Vigo County compares
Among counties within 50 miles, Vigo County leans more Republican than 1 of 16 neighbors.
Vigo County runs about 7 points more Democratic than Indiana as a whole.
Politics vary noticeably by city within Vigo County. The west side runs the most Democratic (D+8) and the northwest side runs the most Republican (R+30), a spread of about 38 points.
Why Vigo 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 Vigo County, not a ranked or complete list of what matters most.
Vigo County votes Republican even though it is densely developed (about 62%, far above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Vigo County, IN sits in the top tenth 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 Vigo County looks the way it does
Renters vote less often than owners. About 37% of households in Vigo County rent, about 12 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Clay County, IN R+52
- Vermillion County, IN R+50
- Edgar County, IL R+50
- Parke County, IN R+59
- Clark County, IL R+53
- Sullivan County, IN R+49
- Putnam County, IN R+46
- Owen County, IN R+57
- Greene County, IN R+55
- Crawford County, IL R+50
Counties with Similar Populations
- Woodbury County, IA R+9
- Walworth County, WI R+17
- Monongalia County, WV D+4
- Tompkins County, NY D+49
- Eau Claire County, WI D+10
- Navajo County, AZ R+3
- Platte County, MO R+5
- Sumter County, SC D+9
- Carver County, MN R+8
- Matanuska-Susitna Borough, AK R+33
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.