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Missoula County, Montana

John S. Johnston House

Photo: John S. Johnston House, circa late 1890s with early 1900s addition, located at 412 W. Alder Street, Missoula. Listed on the National Register of Historic Places in 1984. Photographed by User:Robstutz (own work), 2012, [cc-3.0], via Wikimedia Commons, accessed January, 2022.


The Missoula County Courthouse is located at 200 West Broadway, Missoula, MT 59802; phone: 406-721-5700.

Missoula County was part of the Montana Territory from 1864-1889 when Montana was admitted to the Union.

The first county seat was at "Hell Gate" in 1860, 4 miles west of the present site of the City of Missoula.