
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.
SENATORS
LAWMAKERS FOR THIS COUNTY





REPRESENTATIVES
LAWMAKERS FOR THIS COUNTY







