Miller Colony is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 65% of adults in Miller Colony typically vote, near the U.S. average of about 62%. Among adults in Miller Colony, ~14% vote Democratic, ~51% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Miller Colony compares
Among cities within 25 miles, Miller Colony leans more Republican than 3 of 6 neighbors.
Miller Colony runs about 38 points more Republican than Montana as a whole.
Why Miller Colony 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 Miller Colony, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 2% of residents in Miller Colony live in densely developed areas, about 12 points below the Montana average of 13%.
Population density and Republican lean
Places with low population density tend to lean Republican; Miller Colony, MT sits in the bottom tenth nationally on this measure.
Why turnout in Miller Colony looks the way it does
Turnout in Miller Colony sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bynum, MT R+59
- Choteau, MT R+56
- Choteau Junction, MT R+57
- Pendroy, MT R+60
- New Rockport Colony, MT R+60
- Dupuyer, MT R+33
- Golden Ridge, MT R+60
- Fairfield, MT R+67
- Conrad, MT R+49
- Augusta, MT R+55
Cities with Similar Populations
- Zeeland, ND R+68
- New Augusta, AR R+53
- East Krok, WI R+47
- Roy, LA R+76
- Crittenden, NY R+43
- Easton, KY R+64
- Terre Haute, IL R+50
- West Branch, NY R+50
- Tate Springs, TN R+72
- Fola, WV R+69
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.