Knox leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 73% of adults in Knox typically vote, above the U.S. average of about 62%. Among adults in Knox, ~20% vote Democratic, ~53% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Knox compares
Among cities within 25 miles, Knox leans more Republican than 27 of 66 neighbors.
Knox runs about 27 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Knox. The northwest side is the most Republican-leaning (R+53) and the east side is the least Republican-leaning (R+42), a spread of about 12 points.
Why Knox 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 Knox, not a ranked or complete list of what matters most.
Knox votes Republican even though it is densely developed (about 30%, about 7 points below the U.S. average of 36%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Knox sits in the bottom quarter (about 11%, below 90% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Knox, IN sits in the top quarter nationally on this measure.
Why turnout in Knox looks the way it does
Turnout in Knox 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
- Bass Lake, IN R+48
- Winona, IN R+48
- Brems, IN R+56
- Ober, IN R+50
- Grovertown, IN R+56
- Ora, IN R+50
- Hamlet, IN R+50
- North Judson, IN R+50
- Oak Grove, IN R+45
- Donaldson, IN R+50
Cities with Similar Populations
- Lyons, GA R+45
- Stilwell, OK R+46
- Charles City, IA R+20
- Aspen, CO D+50
- Wells, ME R+4
- Ashland, NJ D+26
- Crosswicks, NJ D+15
- Sinton, TX R+15
- Hillside, IL D+53
- Belle Plaine, MN R+29
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.