Musselshell County, Montana

Musselshell County
The Musselshell County Courthouse in Roundup
Location within the U.S. state of Montana
Montana's location within the U.S.
Coordinates: 46°29′N 108°24′W / 46.49°N 108.4°W / 46.49; -108.4
Country United States
State Montana
FoundedFebruary 2, 1911
SeatRoundup
Largest cityRoundup
Area
  Total
1,871 sq mi (4,850 km2)
  Land1,868 sq mi (4,840 km2)
  Water2.8 sq mi (7 km2)  0.1%
Population
 (2020)
  Total
4,730
  Estimate 
(2024)
5,452
  Density2.5/sq mi (0.98/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitemusselshellcounty.org
  • Montana county number 23

Musselshell County is a county in south-central Montana. As of the 2020 census, the population was 4,730. Its county seat is Roundup.