Jefferson County, Idaho: Rural GOP Stronghold
Idaho · Presidential Elections 1916–2024
R+73.3
2024 Margin
D+0.4%
2020→2024 Swing
R since 1952
Voting Streak
🌾 Rural GOP
Classification
31K
Population
Jefferson County, Idaho voted R+73.3 for Donald Trump in 2024, with Trump receiving 13,481 votes (85.22%). This represented a D+0.4% swing toward Democrats compared to 2020. The county has voted Republican in every presidential election since 1952.
Electoral Behavior
🌾
Rural GOP StrongholdView all
Small, deeply conservative counties that have been consistently 75%+ Republican. Stable heartland communities concentrated in TX, OK, KS, NE and the Great Plains.
Volatility
5.4
Elasticity
Inelastic
Trend
-1.2/yr (red)
Quick Stats
2024 ResultR+73.3
2020→2024 SwingD+0.4%
Voting StreakR since 1952
Elections on Record28
Demographics
Population30,891
Median Age
31.7(US: 38.4)
College (BA+)
35.0%(US: 47.9%)
Median Income
$77,491(US: $78k)
White (non-Hisp)
86.1%(US: 57.5%)
Hispanic
10.8%(US: 18.6%)
Homeownership
82.4%(US: 64.2%)
Poverty Rate
9.2%(US: 12.4%)
Veterans
5.5%(US: 6.4%)
Presidential Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 11.9%(1,891) | 85.2%(13,481) | R+73.3 | +0.4 |
| 2020 | 11.7%(1,661) | 85.4%(12,099) | R+73.7 | -8.6 |
| 2016 | 8.5%(976) | 73.5%(8,436) | R+65.0 | +10.5 |
| 2012 | 11.4%(1,303) | 86.9%(9,895) | R+75.5 | -9.4 |
| 2008 | 15.7%(1,641) | 81.8%(8,540) | R+66.1 | +8.2 |
| 2004 | 12.2%(1,084) | 86.5%(7,703) | R+74.3 | -5.7 |
| 2000 | 14.0%(1,100) | 82.7%(6,480) | R+68.7 | -21.4 |
| 1996 | 19.3%(1,427) | 66.5%(4,925) | R+47.3 | -12.2 |
| 1992 | 13.7%(978) | 48.8%(3,471) | R+35.0 | +26.6 |
| 1988 | 18.0%(1,198) | 79.6%(5,295) | R+61.6 | +15.0 |
Senate Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 9.2%(836) | 81.3%(7,396) | R+72.1 | -0.7 |
| 2020 | 11.7%(1,647) | 83.2%(11,702) | R+71.5 | -1.9 |
| 2016 | 10.5%(1,196) | 80.1%(9,120) | R+69.6 | -0.5 |
| 2014 | 15.4%(1,090) | 84.6%(5,968) | R+69.1 | +2.1 |
| 2010 | 11.7%(880) | 83.0%(6,230) | R+71.2 | -16.9 |
| 2008 | 14.4%(1,511) | 68.7%(7,197) | R+54.3 | +45.4 |
| 2004 | 0.0%(0) | 99.7%(8,352) | R+99.7 | -33.9 |
| 2002 | 15.8%(1,045) | 81.6%(5,393) | R+65.8 | +2.9 |
| 1998 | 14.8%(893) | 83.5%(5,039) | R+68.7 | -21.4 |
| 1996 | 24.5%(1,835) | 71.8%(5,382) | R+47.3 | -22.0 |
Governor Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 6.4%(1,160) | 72.5%(13,182) | R+66.1 | +0.7 |
| 2018 | 15.0%(1,307) | 81.8%(7,125) | R+66.8 | -14.7 |
| 2014 | 19.0%(1,336) | 71.0%(5,006) | R+52.1 | -10.9 |
| 2010 | 25.5%(1,923) | 66.7%(5,024) | R+41.2 | +4.0 |
| 2006 | 25.4%(1,880) | 70.7%(5,220) | R+45.2 | +3.3 |
| 2002 | 24.9%(1,661) | 73.3%(4,902) | R+48.5 | +13.3 |
| 1998 | 18.1%(1,104) | 79.8%(4,877) | R+61.8 | -40.0 |
| 1994 | 37.3%(2,444) | 59.1%(3,872) | R+21.8 | -15.5 |
| 1990 | 46.9%(2,324) | 53.1%(2,636) | R+6.3 | +28.8 |
| 1986 | 31.9%(2,047) | 67.0%(4,296) | R+35.1 | -7.4 |