Bozeman leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 81% of adults in Bozeman typically vote, above the U.S. average of about 62%. Among adults in Bozeman, ~48% vote Democratic, ~32% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Bozeman compares
Among cities within 25 miles, Bozeman is the most Democratic-leaning.
Bozeman runs about 40 points more Democratic than Montana as a whole. Montana leans Republican overall, while Bozeman is one of the few Democratic-leaning pockets.
Politics vary noticeably by neighborhood within Bozeman. The east side runs the most Democratic (D+49) and the northwest side runs the most Republican (Even), a spread of about 50 points.
Why Bozeman 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 Bozeman, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 68% of residents in Bozeman live in densely developed areas, about 32 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Bozeman sits in the top quarter (about 63%, above 97% of cities). Bozeman runs against the grain of Montana, a Democratic-leaning pocket in a Republican-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Bozeman, MT sits in the top tenth nationally on this measure.
Why turnout in Bozeman looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in Bozeman have completed high school, about 8 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Four Corners, MT R+14
- Belgrade, MT R+21
- Church Hill, MT R+43
- Anceney, MT R+34
- Manhattan, MT R+36
- Francis, MT R+48
- Gallatin Gateway, MT Even
- Logan, MT R+35
- Pine Creek, MT R+29
- Livingston, MT R+6
Cities with Similar Populations
- Woodbury, MN D+22
- Kendall, FL R+15
- Redlands, CA D+3
- Fort Pierce, FL D+4
- Bossier City, LA R+16
- Salisbury, NC R+14
- Rockville, MD D+50
- Lauderhill, FL D+67
- Highland, CA D+6
- Bolingbrook, IL D+29
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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.