Lewis and Clark County, Montana

county in Montana, United States

Lewis and Clark County is a county found in the U.S. state of Montana. As of the 2020 United States Census, there were 70,973 people.[1] Its county seat is Helena,[2] the state capital.

Lewis and Clark County
The "Sleeping Giant" formation north of Helena
The "Sleeping Giant" formation north of Helena
Map of Montana highlighting Lewis and Clark County
Location within the U.S. state of Montana
Map of the United States highlighting Montana
Montana's location within the U.S.
Coordinates: 47°07′N 112°23′W / 47.11°N 112.38°W / 47.11; -112.38
Country United States
State Montana
FoundedJune 2, 1865
Named forMeriwether Lewis and William Clark
SeatHelena
Largest cityHelena
Area
 • Total3,498 sq mi (9,060 km2)
 • Land3,459 sq mi (8,960 km2)
 • Water39 sq mi (100 km2)  1.1%
Population
 (2020)
 • Total70,973
 • Density20/sq mi (7.8/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.lccountymt.gov/home.html
  • Montana county number 05

References

change
  1. "QuickFacts: Lewis and Clark County, Montana". United States Census Bureau. Retrieved January 4, 2024.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.