Benton County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 72% of adults in Benton County typically vote, above the U.S. average of about 62%. Among adults in Benton County, ~18% vote Democratic, ~54% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How Benton County compares
Among counties within 50 miles, Benton County leans more Republican than 8 of 14 neighbors.
Benton County runs about 30 points more Republican than Indiana as a whole.
Politics vary noticeably by city within Benton County. The northwest side is the most Republican-leaning (R+60) and the north side is the least Republican-leaning (R+44), a spread of about 16 points.
Why Benton County leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Benton County. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Benton County, IN sits in the top quarter nationally on this measure.
Why turnout in Benton County looks the way it does
Homeowners vote more often than renters. About 81% of households in Benton County own their home, about 6 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Warren County, IN R+58
- Tippecanoe County, IN D+9
- White County, IN R+43
- Fountain County, IN R+58
- Newton County, IN R+54
- Iroquois County, IL R+48
- Vermilion County, IL R+22
- Jasper County, IN R+50
- Carroll County, IN R+53
- Montgomery County, IN R+44
Counties with Similar Populations
- Sublette County, WY R+58
- Clearwater County, ID R+64
- Blaine County, OK R+60
- Hancock County, GA D+32
- Modoc County, CA R+44
- Quay County, NM R+32
- Gallatin County, KY R+57
- Monona County, IA R+46
- Lyon County, KY R+56
- Jenkins County, GA R+20
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.