Roosevelt County is a county in the U.S. state of Montana. As of the 2020 census, the population was 10,794. Its county seat is Wolf Point. Roosevelt County was created by the Montana Legislature in 1919 from a portion of Sheridan County. The name honors former president Theodore Roosevelt, who had died earlier that year.

Wolf Point is a city in and the county seat of Roosevelt County, Montana, United States. The population was 2,517 at the 2020 census, down 4% from 2,621 in the 2010 Census. It is the largest community on the Fort Peck Indian Reservation. Wolf Point is the home of the annual Wild Horse Stampede, held every year during the second weekend of July. Wolf Point's Wild Horse Stampede is the oldest rodeo in Montana, and has been called the "Grandaddy of Montana Rodeos".