SIZE

3,498 mi²

FOUNDED

1865

COUNTY SEAT

HELENA

POPULATION

69,432

LARGEST CITY

HELENA

COUNTY NUMBER

05

County Fun Fact

Referencing the impressive limestone cliffs along the Missouri River in July 1805, Meriwether Lewis wrote in his journal, “I shall call this place: Gates of the Mountains.” Lewis and Clark also camped below the Sleeping Giant landmark.

County Link

SENATORS

LAWMAKERS FOR THIS COUNTY
Sen. Bruce Gillespie (R) SD-9
Sen. Walt Sales (R) SD-35
Sen. Terry Gauthier (R) SD-40
Sen. Janet Ellis (D) SD-41
Sen. Jill Cohenour (D) SD-42

REPRESENTATIVES

LAWMAKERS FOR THIS COUNTY
Rep. Ross Fitzgerald (R) HD-17
Rep. Julie Dooling (R) HD-70
Rep. Robert Farris-Olsen (D) HD-79
Rep. Becky Beard (R) HD-80
Rep. Mary Caferro (D) HD-81
Rep. Moffie Funk (D) HD-82
Rep. Kim Abbott (D) HD-83
Rep. Mary Ann Dunwell (D) HD-84