SIZE

1,871 mi²

FOUNDED

1911

COUNTY SEAT

ROUNDUP

POPULATION

4,633

LARGEST CITY

ROUNDUP

COUNTY NUMBER

23

County Fun Fact

The name Musselshell comes from the mussel shells in the river named by Lewis and Clark. The county seat, Roundup, dons its name from the cattle roundups in the late 1800s.

County Link

SENATOR

LAWMAKER FOR THIS COUNTY
Sen. Duane Ankney (R) SD-20

REPRESENTATIVE

LAWMAKER FOR THIS COUNTY
Rep. Barry Usher (R) HD-40