Sanders County is a county in the U.S. state of Montana. As of the 2020 census, the population was 12,400. Its county seat is Thompson Falls. The county was founded in 1905.
Historic Sanders County Jail in Thompson Falls, Montana
Thompson Falls is a city in and the county seat of Sanders County, Montana. The population was 1,336 at the time of the 2020 census.
Downtown Thompson Falls