
Thompson Falls
- County:
- Sanders County
- County Seat:
- Yes
- Area (mi²):
- 1.594
- State:
- Montana
Thompson Falls is a city located in Sanders County, Montana. Thompson Falls has a 2025 population of 1,560. It is also the county seat of .Thompson Falls is currently growing at a rate of 2.9% annually and its population has increased by 16.42% since the most recent census, which recorded a population of 1,340 in 2020.
The average household income in Thompson Falls is $59,084 with a poverty rate of 7.69%. The median age in Thompson Falls is 47.2 years: 42.2 years for males, and 50.4 years for females.