Hardin leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.
About 71% of adults in Hardin typically vote, above the U.S. average of about 62%. Among adults in Hardin, ~29% vote Democratic, ~42% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How Hardin compares
Among cities within 25 miles, Hardin leans more Republican than 2 of 4 neighbors.
Politically, Hardin sits close to the rest of Montana.
Politics vary noticeably by neighborhood within Hardin. The southeast side runs the most Democratic (D+35) and the northwest side runs the most Republican (R+43), a spread of about 78 points.
Why Hardin 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 Hardin, not a ranked or complete list of what matters most.
Hardin votes Republican even though it is densely developed (about 47%, far above the Montana average of 13%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Hardin, MT sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Hardin looks the way it does
Areas with limited routine healthcare access turn out at lower rates. Hardin is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Crow Agency, MT D+28
- Pompeys Pillar, MT R+68
- Garryowen, MT D+37
- St. Xavier, MT R+30
- Big Horn, MT R+66
- Ballantine, MT R+64
- Custer, MT R+72
- Sumatra, MT R+66
- Worden, MT R+65
- Lodge Grass, MT D+26
Cities with Similar Populations
- Maysville, NC R+32
- Rio Bravo, TX R+6
- Watertown, TN R+65
- Clearwater, MN R+42
- Eubank, KY R+71
- Woodbridge, CA R+23
- Flower Hill, NY D+3
- Jeffersonville, KY R+66
- Carmichaels, PA R+42
- Mingo Junction, OH R+40
All Local Stats
Home Services
Sources and methodology
Precinct-level voting records used to fit the model come from Montana 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.