Lewis and Clark County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 70,973. 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 on June 2, 1865, as one of the nine original counties of the Territory of Montana named Edgerton County in honor of Sidney Edgerton, first Governor of the Territory of Montana, and was renamed Lewis and Clark County on March 1, 1868, in honor of explorers Meriwether Lewis and William Clark. Lewis and Clark County is part of the Helena, Montana Micropolitan Statistical Area, and comprises the entirety of the Helena media market.
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Lewis and Clark County, Montana in the context of Helena, Montana
Helena (; /ˈhɛlənə/) is the capital city of the U.S. state of Montana and the county seat of Lewis and Clark County.
Helena was founded as a gold camp during the Montana gold rush, and established on October 30, 1864. Due to the gold rush, Helena became a wealthy city, with approximately 50 millionaires inhabiting the area by 1888. The concentration of wealth contributed to the city's prominent, elaborate Victorian architecture.
Lewis and Clark County, Montana in the context of Western Montana
Western Montana is the western region of the U.S. state of Montana. The most restrictive definition limits western Montana only to the parts of the state west of the Continental Divide. Other common definitions add in the mountainous areas east of the divide including Beaverhead, Gallatin, Jefferson, Lewis and Clark, Madison, and Park Counties. The region is sometimes considered to be part of the Inland Northwest.