Hamilton is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 75% of adults in Hamilton typically vote, above the U.S. average of about 62%. Among adults in Hamilton, ~18% vote Democratic, ~57% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How Hamilton compares
Among cities within 25 miles, Hamilton leans more Republican than 20 of 77 neighbors.
Hamilton runs about 33 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Hamilton. The southeast side is the most Republican-leaning (R+62) and the northwest side is the least Republican-leaning (R+44), a spread of about 18 points.
Why Hamilton leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Hamilton. The lean here lands roughly where demographic data alone would predict.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Hamilton, IN does.
Why turnout in Hamilton looks the way it does
Turnout in Hamilton sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Island Park, IN R+61
- Steubenville, IN R+55
- Pleasant Lake, IN R+51
- Berlien, IN R+60
- York, IN R+45
- Edon, OH R+60
- Butler, IN R+56
- Ashley, IN R+55
- Angola, IN R+40
- Blakeslee, OH R+64
Cities with Similar Populations
- Paden City, WV R+55
- Vincent, AL R+52
- Greenville, NY R+26
- Winsted, MN R+47
- Piedmont, SD R+58
- Helmetta, NJ R+16
- Princeton, MA D+14
- Sumner, IA R+33
- New Bloomfield, MO R+57
- Waterflow, NM D+12
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.