Lewis and Clark County, MT
MT · Presidential Elections 1892–2024
Lewis and Clark County, MT (Montana) voted R+5.7 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 21,479 votes (51.11%) to 19,085 (45.42%) for Harris.
This represents a R+1.8% swing toward Republicans compared to 2020. Lewis and Clark County is classified as a lean Republican county. Lewis and Clark County has voted Republican in every presidential election since 2012. The county has a population of approximately 73,464.
Quick Stats
Demographics
Community Profile
Religious Composition
Source: Religion Census 2020Ancestry Groups
Source: Census ACSTop reported ancestry groups (compared to national average).
Age Distribution
Employment by Industry
Census ACSPresidential Elections
Presidential Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 45.4%(19,085) | 51.1%(21,479) | R+5.7 | R+1.8 |
| 2020 | 46.7%(19,743) | 50.6%(21,409) | R+3.9 | D+2.9 |
| 2016 | 41.0%(14,478) | 47.9%(16,895) | R+6.8 | R+3.3 |
| 2012 | 46.9%(15,620) | 50.4%(16,803) | R+3.6 | R+10.1 |
| 2008 | 52.1%(17,114) | 45.5%(14,966) | D+6.5 | D+19.2 |
| 2004 | 42.6%(12,717) | 55.3%(16,494) | R+12.7 | D+6.1 |
| 2000 | 36.6%(9,982) | 55.3%(15,091) | R+18.7 | R+18.2 |
| 1996 | 43.5%(11,535) | 43.9%(11,665) | R+0.5 | R+7.2 |
| 1992 | 42.5%(11,117) | 35.7%(9,351) | D+6.7 | D+2.5 |
| 1988 | 51.1%(11,932) | 46.9%(10,946) | D+4.2 | D+25.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Lewis and Clark County, MT • 1892–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 52.3%(22,175) | 45.7%(19,367) | D+6.6 | D+3.3 |
| 2020 | 51.6%(21,955) | 48.4%(20,554) | D+3.3 | R+14.7 |
| 2018 | 57.7%(20,506) | 39.7%(14,106) | D+18.0 | D+23.2 |
| 2014 | 46.4%(12,102) | 51.6%(13,455) | R+5.2 | R+19.4 |
| 2012 | 54.3%(18,189) | 40.2%(13,446) | D+14.2 | R+39.6 |
| 2008 | 76.9%(24,702) | 23.1%(7,419) | D+53.8 | D+42.1 |
| 2006 | 54.7%(14,950) | 43.1%(11,763) | D+11.7 | R+31.8 |
| 2002 | 69.0%(15,543) | 25.6%(5,764) | D+43.4 | D+35.4 |
| 2000 | 53.1%(14,564) | 45.1%(12,373) | D+8.0 | R+8.5 |
| 1996 | 55.3%(14,765) | 38.8%(10,368) | D+16.5 | D+26.3 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 46.0%(19,360) | 51.5%(21,678) | R+5.5 | R+8.0 |
| 2020 | 49.5%(21,022) | 47.1%(19,969) | D+2.5 | R+20.2 |
| 2016 | 60.1%(21,363) | 37.4%(13,296) | D+22.7 | D+1.9 |
| 2012 | 59.0%(19,775) | 38.3%(12,826) | D+20.7 | R+19.2 |
| 2008 | 69.0%(22,544) | 29.1%(9,509) | D+39.9 | D+31.4 |
| 2004 | 53.0%(15,891) | 44.5%(13,343) | D+8.5 | D+6.6 |
| 2000 | 50.2%(13,704) | 48.3%(13,185) | D+1.9 | D+63.6 |
| 1996 | 19.2%(5,135) | 80.8%(21,668) | R+61.7 | R+61.2 |
| 1992 | 49.8%(12,988) | 50.2%(13,115) | R+0.5 | R+3.4 |
| 1988 | 50.5%(11,869) | 47.5%(11,174) | D+3.0 | R+42.9 |
Source: Official state election returns via MIT Election Data + Science Lab