Hancock County leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 80% of adults in Hancock County typically vote, above the U.S. average of about 62%. Among adults in Hancock County, ~26% vote Democratic, ~54% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Hancock County compares
Among counties within 50 miles, Hancock County leans more Republican than 10 of 20 neighbors.
Hancock County runs about 17 points more Republican than Indiana as a whole.
Politics vary noticeably by city within Hancock County. The northeast side is the most Republican-leaning (R+58) and the northwest side is the least Republican-leaning (R+16), a spread of about 42 points.
Why Hancock 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 Hancock County, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 71% of households in Hancock County are family households, above 84% of counties.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Hancock County, IN sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Hancock County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Hancock County 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 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 94% of adults in Hancock County have completed high school, above 86% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Marion County, IN D+29
- Hamilton County, IN R+5
- Shelby County, IN R+47
- Madison County, IN R+25
- Rush County, IN R+57
- Johnson County, IN R+35
- Henry County, IN R+47
- Hendricks County, IN R+20
- Boone County, IN R+19
- Delaware County, IN R+11
Counties with Similar Populations
- Clinton County, NY R+5
- Putnam County, TN R+43
- Natrona County, WY R+41
- Umatilla County, OR R+34
- Bedford County, VA R+43
- Kosciusko County, IN R+47
- Floyd County, IN R+18
- Clinton County, MI R+12
- Clearfield County, PA R+46
- Chelan County, WA R+12
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.