Warren County is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 80% of adults in Warren County typically vote, above the U.S. average of about 62%. Among adults in Warren County, ~17% vote Democratic, ~63% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Warren County compares
Among counties within 50 miles, Warren County leans more Republican than 12 of 14 neighbors.
Warren County runs about 39 points more Republican than Indiana as a whole.
Why Warren 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 Warren County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Warren County, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 18% of adults hold a bachelor's degree, about 10 points below the U.S. average of 28%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Warren County, IN sits in the bottom quarter 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 Warren County looks the way it does
Homeowners vote more often than renters. About 83% of households in Warren County own their home, about 8 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Fountain County, IN R+58
- Benton County, IN R+49
- Vermilion County, IL R+22
- Tippecanoe County, IN D+9
- Montgomery County, IN R+44
- Vermillion County, IN R+50
- Parke County, IN R+59
- White County, IN R+43
- Iroquois County, IL R+48
- Carroll County, IN R+53
Counties with Similar Populations
- Ritchie County, WV R+68
- Johnson County, WY R+60
- Maries County, MO R+66
- Daviess County, MO R+63
- Sitka City and Borough, AK D+13
- Jack County, TX R+74
- Trimble County, KY R+57
- Bracken County, KY R+58
- Montgomery County, AR R+67
- Knox County, NE R+56
All Local Stats
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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.