Lewis and Clark County, Montana

Lewis and Clark County, Montana
The iconic "Sleeping Giant" formation north of Helen
Seal
Location in the U.S. state of Montana
Montana's location in the U.S.
Founded	1865
Named for	Meriwether Lewis and William Clark
Seat	Helena
Largest city	Helena
Area
• Total	3,498 sq mi (9,060 km2)
• Land	3,459 sq mi (8,959 km2)
• Water	39 sq mi (101 km2), 1.1%
Population (est.)
• (2015)	66,418
• Density	18/sq mi (7/km²)
Congressional district	At-large
Time zone	Mountain: UTC-7/-6
Website	www.lccountymt.gov/home.html

Lewis and Clark County is a county located in the U.S. state of Montana. As of the 2010 census, the population was 63,395. Its county seat is Helena, the state capital. The numerical designation for Lewis and Clark County (used in the issuance of the state's license plates) is 5. The county was established in 1865 as Edgerton County, and was renamed "Lewis and Clark County" two years later. The present name was given in honor of explorers Lewis and Clark.

Lewis and Clark County is part of the Helena, Montana Micropolitan Statistical Area.

According to the U.S. Census Bureau, the county has a total area of 3,948 square miles (10,230 km²), of which 3,459 square miles (8,960 km²) is land and 39 square miles (100 km²) (1.1%) is water.

As of the of 2000, there were 55,716 people, 22,850 households, and 14,966 families residing in the county. The population density was 16 people per square mile (6/km²). There were 25,672 housing units at an average density of 7 per square mile (3/km²). The racial makeup of the county was 95.21% white, 0.20% Black or African American, 2.04% Native American, 0.52% Asian American, 0.05% Pacific Islander American, 0.38% from other races, and 1.61% from two or more races. 1.51% of the population were Hispanic or Latino of any race. 22.6% were of German, 15.5% Irish, 10.9% English, 9.5% Norwegian and 6.1% American ancestry.