Montana·MT·FIPS 30049

Lewis And Clark County

Voted Republican in 2024 · 42,023 votes cast

About Lewis And Clark County

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 and most populous city is Helena, the state capital. The numerical designation for Lewis and Clark County 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.

2024 Presidential Results

All candidates · Lewis And Clark County, Montana

Donald J Trump(Republican)

51.1%21,479

Won by 2,394 votes

Kamala D Harris(Democrat)

45.4%19,085

Other(Other)

2.7%1,127

Chase Oliver(Libertarian)

0.8%332

Margin History

Red = Republican, Blue = Democratic

2024R+5.7

2020R+3.9

2016R+7.0

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Swung Right in 2024

Lewis And Clark County shifted 1.8 points toward Republicans compared to 2020. Voter turnout decreased by 0.6%.

Lewis And Clark County — Local Discussion

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What does Lewis And Clark County really think?

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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)