Presidential elections · 2000–2024
Lewis and Clark County, MT — Presidential Election Results (2000–2024)
In 2024, Lewis and Clark County, Montana voted for Donald J. Trump (Republican) by R+5.7 — 19,085 Democratic to 21,479 Republican of 42,023 votes cast. From 2020 to 2024 it shifted 1.8 points toward Republicans. That makes it 14.2 points more Democratic than Montana overall (R+19.9).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Lewis and Clark County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 19,085 | 21,479 | 1,459 | 45.4% | 51.1% | R+5.7 |
| 2020 | 19,743 | 21,409 | 1,113 | 46.7% | 50.7% | R+3.9 |
| 2016 | 14,478 | 16,895 | 3,105 | 42.0% | 49.0% | R+7.0 |
| 2012 | 15,620 | 16,803 | 895 | 46.9% | 50.4% | R+3.6 |
| 2008 | 17,114 | 14,966 | 1,353 | 51.2% | 44.8% | D+6.4 |
| 2004 | 12,717 | 16,494 | 631 | 42.6% | 55.3% | R+12.7 |
| 2000 | 9,982 | 15,091 | 2,196 | 36.6% | 55.3% | R+18.7 |
Lewis and Clark County presidential elections — FAQ
Who carried Lewis and Clark County in the 2024 presidential election?+
Donald J. Trump (Republican) carried Lewis and Clark County, Montana in 2024 by R+5.7, with 42,023 votes cast. Data: MIT Election Data & Science Lab.
How did Lewis and Clark County shift between 2020 and 2024?+
Lewis and Clark County shifted 1.8 points toward Republicans between 2020 (R+3.9) and 2024 (R+5.7).
Is Lewis and Clark County more Democratic or Republican than Montana overall?+
In 2024, Lewis and Clark County went R+5.7 while Montana overall went R+19.9 — 14.2 points more Democratic than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.