Union Mills leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 71% of adults in Union Mills typically vote, above the U.S. average of about 62%. Among adults in Union Mills, ~20% vote Democratic, ~51% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Union Mills compares
Among cities within 25 miles, Union Mills leans more Republican than 46 of 73 neighbors.
Union Mills runs about 25 points more Republican than Indiana as a whole.
Politics vary noticeably by neighborhood within Union Mills. The west side is the most Republican-leaning (R+46) and the northwest side is the least Republican-leaning (R+34), a spread of about 12 points.
Why Union Mills 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 Union Mills, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in Union Mills drive to work alone, about 14 points above the U.S. average of 74%.
Renting and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Union Mills, IN sits in the bottom tenth nationally on this measure.
Why turnout in Union Mills looks the way it does
Homeowners vote more often than renters. About 95% of households in Union Mills own their home, about 13 points above the Indiana average of 82%. High high-school completion lines up with higher turnout, and about 96% of adults in Union Mills have completed high school, above 81% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Wellsboro, IN R+45
- Kingsford Heights, IN R+22
- Hanna, IN R+45
- Kingsbury, IN R+41
- Tracy, IN R+44
- Thomaston, IN R+45
- Wanatah, IN R+42
- Westville, IN R+22
- Monroe Manor, IN R+11
- South Center, IN R+44
Cities with Similar Populations
- Mears, MI R+22
- Port Royal, TN R+50
- Meshoppen, PA R+54
- Cleveland, MN R+36
- Rawlings, MD R+60
- Dortches, NC R+17
- Eastgate, TX R+62
- Dennis, TX R+77
- Northport, MI D+10
- Poolville, TX R+72
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.