Thompson Falls is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 78% of adults in Thompson Falls typically vote, above the U.S. average of about 62%. Among adults in Thompson Falls, ~19% vote Democratic, ~59% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How Thompson Falls compares
Among cities within 25 miles, Thompson Falls leans more Republican than 2 of 10 neighbors.
Thompson Falls runs about 31 points more Republican than Montana as a whole.
Politics vary noticeably by neighborhood within Thompson Falls. The southeast side is the most Republican-leaning (R+58) and the southwest side is the least Republican-leaning (R+47), a spread of about 11 points.
Why Thompson Falls 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 Thompson Falls, not a ranked or complete list of what matters most.
Thompson Falls votes Republican even though it is densely developed (about 23%, modestly above the Montana average of 13%). Here an older population outweighs the Democratic lean that density usually predicts.
Never-married share and voter turnout
Places with a low never-married share tend to turn out at a higher rate; Thompson Falls, MT sits in the bottom tenth nationally on this measure.
Why turnout in Thompson Falls looks the way it does
Turnout in Thompson Falls 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
- White Pine, MT R+58
- Saltese, MT R+59
- DeBorgia, MT R+60
- Haugan, MT R+61
- Trout Creek, MT R+59
- Plains, MT R+57
- Mullan, ID R+46
- Larchwood, MT R+58
Cities with Similar Populations
- Huntsburg, OH R+53
- Ardmore, TN R+71
- Mayville, NY R+11
- Stockton, IL R+28
- Smithville, MS R+81
- Riverside, AL R+65
- Osteen, FL R+48
- Steep Falls, ME R+21
- Breezy Point, MN R+33
- Balcones Heights, TX D+26
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.