Boonville leans heavily Republican by roughly 40 points: about 30% of voters vote Democratic and 70% Republican.
About 82% of adults in Boonville typically vote, above the U.S. average of about 62%. Among adults in Boonville, ~25% vote Democratic, ~57% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.
How Boonville compares
Among cities within 25 miles, Boonville leans more Republican than 9 of 78 neighbors.
Boonville runs about 21 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Boonville. The northeast side is the most Republican-leaning (R+51) and the west side is the least Republican-leaning (R+36), a spread of about 15 points.
Why Boonville leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Boonville, not a ranked or complete list of what matters most.
Boonville votes Republican even though it is densely developed (about 38%, modestly above the Indiana average of 25%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Boonville, IN sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Boonville looks the way it does
Turnout in Boonville 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 Cities
- Greenbrier, IN R+48
- Chandler, IN R+40
- Bullocktown, IN R+51
- Red Bush, IN R+46
- Folsomville, IN R+55
- Newburgh, IN R+26
- Yankeetown, IN R+46
- Richland, IN R+52
- Stevenson, IN R+33
- Hatfield, IN R+52
Cities with Similar Populations
- Scottsville, KY R+62
- Myerstown, PA R+48
- Plano, IL R+3
- Clarksville, AR R+46
- Guymon, OK R+33
- Taylorsville, KY R+54
- Pulaski, TN R+44
- Hidalgo, TX R+4
- Selinsgrove, PA R+25
- Port Jervis, NY R+17
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.