Pierre-Jean De Smet, a Belgian Jesuit Catholic missionary who worked for his entire career in the American Midwest and West..[6] The mission is listed on the National Register of Historic Places.

According to the United States Census Bureau, the town has a total area of 0.56 square miles (1.45 km2), all land.

[8] This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters.

There were 369 housing units at an average density of 658.9 per square mile (254.4/km2).

31.5% of all households were made up of individuals, and 17.1% had someone living alone who was 65 years of age or older.

There were 328 housing units at an average density of 628.1 per square mile (242.5/km2).

31.9% of all households were made up of individuals, and 15.0% had someone living alone who was 65 years of age or older.

[13] The Valley Journal provides local news to Arlee, Charlo, Pablo, Polson, Ronan, and St.