Gallatin Gateway is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 83% of adults in Gallatin Gateway typically vote, above the U.S. average of about 62%. Among adults in Gallatin Gateway, ~42% vote Democratic, ~41% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Gallatin Gateway compares
Among cities within 25 miles, Gallatin Gateway sits roughly in the middle of the political spectrum, with 10 neighbors leaning further in the place's direction and 2 leaning the other way.
Gallatin Gateway runs about 22 points more Democratic than Montana as a whole. Montana leans Republican overall, while Gallatin Gateway sits closer to the political middle.
Politics vary noticeably by neighborhood within Gallatin Gateway. The south side runs the most Democratic (D+19) and the northwest side runs the most Republican (R+13), a spread of about 32 points.
Why Gallatin Gateway 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 Gallatin Gateway, not a ranked or complete list of what matters most.
Gallatin Gateway votes against the grain of Montana. Montana leans Republican overall, while Gallatin Gateway runs about 22 points more Democratic.
Park access and Democratic lean
Places with heavy park coverage tend to lean Democratic; Gallatin Gateway, MT sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in Gallatin Gateway looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Gallatin Gateway is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 72%, about 12 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Gallatin Gateway have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Four Corners, MT R+14
- Anceney, MT R+34
- Bozeman, MT D+21
- Big Sky, MT D+7
- Church Hill, MT R+43
- Red Bluff, MT R+51
- Belgrade, MT R+21
- Francis, MT R+48
- Emigrant, MT R+22
- Miner, MT Even
Cities with Similar Populations
- Earle, AR D+50
- Newville, AL R+52
- Sister Bay, WI D+24
- Ventress, LA R+44
- Logansport, LA R+45
- Porter Corners, NY R+20
- Elkton, FL R+51
- Livermore, KY R+56
- Rozet, WY R+83
- Rockfield, KY R+51
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.