St. Ignatius leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% Republican.
About 70% of adults in St. Ignatius typically vote, above the U.S. average of about 62%. Among adults in St. Ignatius, ~28% vote Democratic, ~42% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How St. Ignatius compares
Among cities within 25 miles, St. Ignatius leans more Republican than 1 of 13 neighbors.
Politically, St. Ignatius sits close to the rest of Montana.
Politics vary noticeably by neighborhood within St. Ignatius. The southwest side runs the most Democratic (Even) and the north side runs the most Republican (R+41), a spread of about 41 points.
Why St. Ignatius 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 St. Ignatius, not a ranked or complete list of what matters most.
St. Ignatius votes Republican even though it is densely developed (about 20%, modestly above the Montana average of 13%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; St. Ignatius, MT sits in the bottom quarter nationally on this measure.
Why turnout in St. Ignatius looks the way it does
Turnout in St. Ignatius 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
- Ravalli, MT R+29
- Charlo, MT R+40
- Moiese, MT R+43
- Dixon, MT R+35
- Arlee, MT R+9
- Ronan, MT R+20
- Pablo, MT R+22
- Condon, MT R+35
- Frenchtown, MT R+35
Cities with Similar Populations
- Woodville, WI R+35
- Borden, IN R+51
- Bal Harbour, FL R+27
- Lapel, IN R+43
- Haskell, OK R+57
- Napanoch, NY R+15
- Frisco City, AL R+44
- Summit Hill, PA R+30
- Jay, FL R+82
- Flomaton, AL R+73
All Local Stats
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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.