Musselshell County, Montana

Musselshell County, Montana
The Musselshell County Courthouse in Roundup
Location within the U.S. state of Montana
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 (7.3 km2)  0.1%
Population
 (2020)
 • Total
4,730
 • Estimate 
(2024)
5,452
 • Density2.53/sq mi (0.978/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.