Dell is a census-designated place in Beaverhead County, Montana, United States. As of the 2020 census, Dell had a population of 17. The settlement is located in a valley beside the Red Rock River.
Dell was founded as a station stop on the newly completed Utah and Northern Railway, which reached Butte in 1881. It became a trading center for ranchers.
Dell School opened in 1903, and was later converted to a restaurant. In 1907, the Dell Telephone Company was founded to construct and maintain a telephone system to Sheep Creek Basin.
Dell is noted for having the lightest precipitation in Montana.
According to the Köppen Climate Classification system, Dell has a semi-arid climate, abbreviated "BSk" on climate maps.
The population was 17 at the 2020 United States census.
Dell Flight Strip is located northwest of Dell. Dell has a post office.