Bannack is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 65% of adults in Bannack typically vote, near the U.S. average of about 62%. Among adults in Bannack, ~15% vote Democratic, ~50% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Bannack compares
Among cities within 25 miles, Bannack leans more Republican than 3 of 4 neighbors.
Bannack runs about 35 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Bannack. The west side is the most Republican-leaning (R+63) and the east side is the least Republican-leaning (R+50), a spread of about 13 points.
Why Bannack leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Bannack. The lean here lands roughly where demographic data alone would predict.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as Bannack, MT does.
Why turnout in Bannack looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Bannack have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Dillon, MT R+38
- Polaris, MT R+51
- Grant, MT R+63
- Glen, MT R+50
- Jackson, MT R+56
- Melrose, MT R+47
- Dell, MT R+61
- Twin Bridges, MT R+56
- Wisdom, MT R+56
- Divide, MT R+34
Cities with Similar Populations
- Cycle, NC R+64
- Garber, IL R+57
- Winfield, AR R+77
- Mule Creek, NM R+40
- New Boston, IN R+53
- Valcour, NY R+8
- Okobojo, SD R+68
- Lamero, KY R+72
- Piopolis, IL R+68
- Vega, GA R+75
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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.