Ada County, Idaho: null
Idaho · Presidential Elections 1892–2024
R+10.3
2024 Margin
R+6.4%
2020→2024 Swing
R since 1940
Voting Streak
Classification
495K
Population
Ada County, Idaho voted R+10.3 for Donald Trump in 2024, with Trump receiving 143,759 votes (53.76%). This represented a R+6.4% swing toward Republicans compared to 2020. The county has voted Republican in every presidential election since 1940.
Electoral Behavior
Volatility
3.0
Elasticity
Highly elastic
Trend
Stable
Quick Stats
2024 ResultR+10.3
2020→2024 SwingR+6.4%
Voting StreakR since 1940
Elections on Record34
Demographics
Population494,967
Median Age
38.1(US: 38.4)
College (BA+)
59.3%(US: 47.9%)
Median Income
$83,881(US: $78k)
White (non-Hisp)
81.6%(US: 57.5%)
Hispanic
9.5%(US: 18.6%)
Black
1.6%(US: 12.3%)
Asian
2.6%(US: 5.7%)
Homeownership
71.3%(US: 64.2%)
Poverty Rate
8.5%(US: 12.4%)
Veterans
8.0%(US: 6.4%)
Presidential Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2024 | 43.4%(116,116) | 53.8%(143,759) | R+10.3 | -6.4 |
| 2020 | 46.4%(120,539) | 50.3%(130,699) | R+3.9 | +5.3 |
| 2016 | 38.7%(75,677) | 47.9%(93,752) | R+9.2 | +2.1 |
| 2012 | 42.7%(77,137) | 54.0%(97,554) | R+11.3 | -5.2 |
| 2008 | 45.5%(82,236) | 51.6%(93,328) | R+6.1 | +17.2 |
| 2004 | 37.8%(58,523) | 61.0%(94,641) | R+23.3 | +4.6 |
| 2000 | 32.9%(40,650) | 60.8%(75,050) | R+27.9 | -11.9 |
| 1996 | 36.5%(43,040) | 52.5%(61,811) | R+15.9 | -0.5 |
| 1992 | 29.0%(31,941) | 44.5%(49,000) | R+15.5 | +12.5 |
| 1988 | 35.0%(30,525) | 62.9%(54,951) | R+28.0 | +18.2 |
Senate Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 41.5%(76,656) | 47.5%(87,579) | R+5.9 | -1.4 |
| 2020 | 46.0%(118,718) | 50.6%(130,446) | R+4.5 | +12.4 |
| 2016 | 38.9%(72,847) | 55.9%(104,650) | R+17.0 | -9.2 |
| 2014 | 46.1%(59,423) | 53.9%(69,404) | R+7.8 | +28.7 |
| 2010 | 30.2%(36,377) | 66.7%(80,273) | R+36.5 | -26.4 |
| 2008 | 42.0%(73,722) | 52.1%(91,425) | R+10.1 | +89.6 |
| 2004 | 0.0%(0) | 99.7%(127,353) | R+99.7 | -80.1 |
| 2002 | 39.0%(40,741) | 58.5%(61,113) | R+19.5 | +14.5 |
| 1998 | 32.1%(29,543) | 66.1%(60,833) | R+34.0 | -28.5 |
| 1996 | 46.0%(54,748) | 51.5%(61,244) | R+5.5 | +16.9 |
Governor Elections
| Year | Democrat | Republican | Margin | Swing |
|---|---|---|---|---|
| 2022 | 29.0%(107,386) | 56.8%(210,552) | R+27.9 | -29.0 |
| 2018 | 49.8%(94,772) | 48.6%(92,684) | D+1.1 | -7.3 |
| 2014 | 51.2%(66,347) | 42.7%(55,407) | D+8.4 | +22.5 |
| 2010 | 38.6%(46,777) | 52.7%(63,871) | R+14.1 | -20.2 |
| 2006 | 51.7%(62,632) | 45.6%(55,272) | D+6.1 | +5.0 |
| 2002 | 49.7%(52,360) | 48.6%(51,258) | D+1.1 | +34.0 |
| 1998 | 32.1%(29,743) | 65.1%(60,189) | R+32.9 | -24.9 |
| 1994 | 44.6%(43,233) | 52.6%(51,018) | R+8.0 | -58.8 |
| 1990 | 75.4%(55,177) | 24.6%(18,012) | D+50.8 | +45.9 |
| 1986 | 52.1%(42,361) | 47.2%(38,418) | D+4.8 | +4.1 |
Primary Election History
| Year | Party | Winner | Runner-up | Nominee? |
|---|---|---|---|---|
| 2024 | GOP | Donald Trump(78.3%) | Nikki Haley(19.7%) | ✓ |
| 2020 | Dem | Joe Biden(47.8%) | Bernie Sanders(45.0%) | ✓ |
| 2016 | Dem | Bernie Sanders(80.5%) | Hillary Clinton(18.2%) | ✗ |
| 2016 | GOP | Ted Cruz(40.3%) | Donald Trump(30.4%) | ✗ |
| 2008 | Dem | Barack Obama(86.1%) | Hillary Clinton(11.2%) | ✓ |
✓ = County picked eventual party nominee