Lewis And Clark, Montana — Presidential Election Results
Lewis And Clark, Montana has voted Republican in 6 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2012. In 2024, it was 14.7 pts more Dem. than Montana overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Montana |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 15,091 | 55.3% | 18.7 pts (5,109 votes) | 27,269 | — | 6.9 pts more Dem. |
| 2004 | George W. Bush | Republican | 16,494 | 55.3% | 12.7 pts (3,777 votes) | 29,842 | +7.4 pts | 8.1 pts more Dem. |
| 2008 | Barack Obama | Democratic | 17,114 | 51.2% | 6.4 pts (2,148 votes) | 33,433 | +19.6 pts | 9.2 pts more Dem. |
| 2012 | Mitt Romney | Republican | 16,803 | 50.4% | 3.6 pts (1,183 votes) | 33,318 | -10.3 pts | 10.4 pts more Dem. |
| 2016 | Donald Trump | Republican | 16,895 | 49.0% | 7.0 pts (2,417 votes) | 34,478 | -4.1 pts | 14.5 pts more Dem. |
| 2020 | Donald J Trump | Republican | 21,409 | 50.7% | 3.9 pts (1,666 votes) | 42,265 | +3.7 pts | 12.7 pts more Dem. |
| 2024 | Donald J Trump | Republican | 21,479 | 51.1% | 5.7 pts (2,394 votes) | 42,023 | -1.9 pts | 14.7 pts more Dem. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 55,886 | 48.8% of population |
| 2004 | 58,041 | 51.4% of population |
| 2008 | 61,747 | 54.1% of population |
| 2012 | 64,736 | 51.5% of population |
| 2016 | 66,894 | 51.5% of population |
| 2020 | 71,179 | 59.4% of population |
| 2024 | 75,129 | 55.9% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Lewis And Clark shifted 14.5 points toward the Democratic candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Lewis And Clark has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Montana's own statewide winner in 6 of 7 (86%). Compare every county on the bellwether counties page.
Related Pages
Other Montana Counties
Frequently Asked Questions
How has Lewis And Clark voted in presidential elections since 2000?
Since 2000, Lewis And Clark has voted Democratic in 1 of 7 recorded presidential elections and Republican in 6 of 7, based on county-level returns through 2024.
What was the closest presidential election in Lewis And Clark?
Lewis And Clark's closest recorded margin was in 2012, when Mitt Romney (Republican) won by 3.6 points (1,183 votes) out of 33,318 total votes cast.
Has Lewis And Clark ever flipped between parties?
Yes. Lewis And Clark changed which party won the county in: 2008, 2012, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Lewis And Clark?
The widest margin on record for Lewis And Clark was in 2000, when George W. Bush (Republican) won by 20.4 points.
How many votes were cast in Lewis And Clark relative to its population?
In 2024, 42,023 votes were recorded in Lewis And Clark against a total population of 75,129 (55.9% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Lewis And Clark a presidential bellwether county?
Lewis And Clark has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Montana's own statewide winner in 6 of 7 (86%).