Sheridan is a town in Madison County, Montana, United States named after the Civil War general Philip Sheridan. The population was 642 at the 2010 census. Sheridan is known as the “heart of the Ruby Valley.” Seven majestic mountain ranges surround this beautiful community: (Tobacco Root Range, Highlands Mountains, McCartney Mountain, The Pioneers, The Ruby Range, The Gravellies and the Snowcrest Range). The geology of the area includes some of the oldest rocks dating back over 2,000 years. The Ruby River winds through the valley just west of the town.
In an effort to promote the town – the community has formed a Main Street Improvement Team, provides for free Wi-Fi in town and has their own Web site where artists, businesses, and general information about the area can be found at their home page
Sheridan traces its beginnings to the construction of a sawmill on Mill Creek by James Gammell in 1863.