Indian Hill leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.
About 95% of adults in Indian Hill typically vote, above the U.S. average of about 62%. Among adults in Indian Hill, ~45% vote Democratic, ~50% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Indian Hill compares
Among cities within 25 miles, Indian Hill leans more Republican than 37 of 156 neighbors.
Indian Hill runs about 5 points more Democratic than Ohio as a whole.
Politics vary noticeably by neighborhood within Indian Hill. The east side is the most split-leaning (R+17) and the northeast side is the least split-leaning (Even), a spread of about 16 points.
Why Indian Hill 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 Indian Hill, not a ranked or complete list of what matters most.
Indian Hill votes Republican even though it is densely developed (about 54%, well above the Ohio average of 34%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 82% of households in Indian Hill are family households, above 92% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Indian Hill, OH sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Indian Hill looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Indian Hill is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 76%, about 16 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Indian Hill have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Madeira, OH D+11
- Concorde Hills, OH R+12
- Terrace Park, OH D+12
- Camp Dennison, OH D+4
- Miamiville, OH R+20
- Deer Park, OH D+8
- Silverton, OH D+51
- Remington, OH D+5
- Mariemont, OH D+27
- Blue Ash, OH D+10
Cities with Similar Populations
- Lavon, TX R+33
- Gateway, AK R+30
- Gordonsville, VA R+24
- Chester, NH R+10
- Oakland, ME R+22
- Alburtis, PA R+18
- New Carlisle, IN R+28
- Riverdale, CA R+34
- Moore Haven, FL R+38
- Hopedale, MA D+8
Sources and methodology
Precinct-level voting records used to fit the model come from Ohio 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.