Boundary County, ID
ID · Presidential Elections 1916–2024
Boundary County, ID (Idaho) voted R+65.4 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 5,794 votes (81.49%) to 1,145 (16.1%) for Harris.
This represents a R+6.5% swing toward Republicans compared to 2020. Boundary County is classified as a deep Republican county. Boundary County has voted Republican in every presidential election since 1968. The county has a population of approximately 13,172.
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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 | 16.1%(1,145) | 81.5%(5,794) | R+65.4 | R+6.5 |
| 2020 | 19.3%(1,220) | 78.2%(4,937) | R+58.9 | R+3.6 |
| 2016 | 18.1%(933) | 73.4%(3,789) | R+55.3 | R+13.2 |
| 2012 | 27.0%(1,225) | 69.1%(3,138) | R+42.1 | R+8.4 |
| 2008 | 31.4%(1,484) | 65.0%(3,078) | R+33.7 | D+6.1 |
| 2004 | 29.0%(1,268) | 68.8%(3,012) | R+39.8 | D+10.8 |
| 2000 | 21.4%(832) | 72.0%(2,797) | R+50.6 | R+31.4 |
| 1996 | 30.9%(1,194) | 50.0%(1,937) | R+19.2 | R+9.0 |
| 1992 | 29.0%(1,095) | 39.2%(1,479) | R+10.2 | D+4.3 |
| 1988 | 41.7%(1,336) | 56.2%(1,800) | R+14.5 | D+14.9 |
Source: Official state election returns via MIT Election Data + Science Lab
Presidential Margin Trend
Boundary County, ID • 1916–2024
Senate Elections
Senate Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 14.1%(732) | 75.8%(3,939) | R+61.7 | R+4.3 |
| 2020 | 19.4%(1,212) | 76.7%(4,800) | R+57.3 | D+1.7 |
| 2016 | 17.8%(920) | 76.8%(3,961) | R+59.0 | R+6.5 |
| 2014 | 23.8%(785) | 76.2%(2,517) | R+52.5 | R+3.4 |
| 2010 | 22.1%(775) | 71.1%(2,495) | R+49.0 | R+18.5 |
| 2008 | 30.9%(1,406) | 61.5%(2,798) | R+30.6 | D+68.4 |
| 2004 | 0.0%(0) | 99.0%(3,399) | R+99.0 | R+58.8 |
| 2002 | 28.7%(788) | 68.8%(1,893) | R+40.2 | D+2.1 |
| 1998 | 27.0%(804) | 69.3%(2,063) | R+42.3 | R+18.6 |
| 1996 | 36.5%(1,406) | 60.1%(2,318) | R+23.7 | R+12.4 |
Source: Official state election returns via MIT Election Data + Science Lab
Governor Elections
Governor Results
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 8.3%(874) | 58.9%(6,168) | R+50.5 | R+3.1 |
| 2018 | 25.2%(1,075) | 72.6%(3,101) | R+47.4 | R+13.3 |
| 2014 | 25.3%(850) | 59.5%(1,997) | R+34.1 | D+7.8 |
| 2010 | 25.1%(892) | 67.1%(2,381) | R+42.0 | R+26.1 |
| 2006 | 40.3%(1,279) | 56.1%(1,781) | R+15.8 | D+13.9 |
| 2002 | 33.8%(941) | 63.5%(1,766) | R+29.7 | D+10.4 |
| 1998 | 27.9%(833) | 68.0%(2,032) | R+40.1 | R+35.0 |
| 1994 | 45.1%(1,435) | 50.2%(1,599) | R+5.1 | R+21.2 |
| 1990 | 58.0%(1,616) | 42.0%(1,169) | D+16.1 | D+10.0 |
| 1986 | 52.2%(1,579) | 46.2%(1,397) | D+6.0 | R+2.2 |
Source: Official state election returns via MIT Election Data + Science Lab