Montana City leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 96% of adults in Montana City typically vote, above the U.S. average of about 62%. Among adults in Montana City, ~35% vote Democratic, ~61% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.
How Montana City compares
Among cities within 25 miles, Montana City leans more Republican than 6 of 18 neighbors.
Montana City runs about 8 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Montana City. The southeast side is the most Republican-leaning (R+36) and the west side is the least Republican-leaning (R+25), a spread of about 12 points.
Why Montana City 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 Montana City, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 82% of households in Montana City are family households, about 15 points above the U.S. average of 67%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Montana City, MT sits in the top tenth nationally on this measure.
Why turnout in Montana City looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Montana City 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 71%, about 11 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 95% of households in Montana City own their home, about 20 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 96% of adults in Montana City have completed high school, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Clancy, MT R+26
- Helena Valley Southeast, MT R+35
- Helena, MT D+17
- East Helena, MT R+31
- Helena West Side, MT D+14
- Helena Valley West Central, MT R+16
- Jefferson City, MT R+37
- Fort Harrison, MT R+15
- Helena Valley Northeast, MT R+37
- Winston, MT R+58
Cities with Similar Populations
- North Catasauqua, PA R+10
- St. Louisville, OH R+60
- Norco, LA R+49
- Walnut Grove, MO R+63
- Dixmoor, IL D+53
- Hackberry, TX R+3
- Malabar, FL R+40
- Sag Harbor, NY D+24
- Paddock Lake, WI R+19
- Iona, ID R+64
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.