Jefferson County, Idaho
Latest: 2024
Safe Republican — 28 presidential elections on record
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 85.7% |
▶Hispanic / Latino(9) | 11.0% |
▶Black / African American(2) | 0.1% |
▶Asian(3) | 0.1% |
▶Native American / Alaska Native(4) | 0.2% |
Multiracial / Other | 2.8% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Other | 81.7% | 92.5% |
| LDS (Mormon) | 81.7% | 92.5% |
| Catholic | 5.2% | 5.9% |
| Evangelical Protestant | 1.1% | 1.3% |
| Mainline Protestant | 0.3% | 0.3% |
| Non-religious | 11.7% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Trump+73.2 |
| 2020 | Trump+73.7 |
| 2016 | Trump+65.0 |
| 2012 | Romney+75.5 |
| 2008 | McCain+66.1 |
| 2004 | Bush+74.3 |
| 2000 | Bush+68.7 |
| 1996 | Dole+47.3 |
| 1992 | Bush+35.0 |
Jefferson, Idaho is a county that has a population of 33,154. In the 2024 presidential election, it voted Republican with a margin of R+73.2. Akashic Edge tracks 28 presidential elections here, dating back to 1916.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 11.9% | 85.2% | R+73.2 | D+0.4 |
| 2020 | 11.7% | 85.4% | R+73.7 | R+8.6 |
| 2016 | 8.5% | 73.5% | R+65.0 | D+10.5 |
| 2012 | 11.4% | 86.9% | R+75.5 | R+9.4 |
| 2008 | 15.7% | 81.8% | R+66.1 | D+8.2 |
| 2004 | 12.2% | 86.5% | R+74.3 | R+5.7 |
| 2000 | 14.0% | 82.7% | R+68.7 | R+21.4 |
| 1996 | 19.3% | 66.5% | R+47.3 | R+12.2 |
| 1992 | 13.7% | 48.8% | R+35.0 | D+26.6 |
| 1988 | 18.0% | 79.6% | R+61.6 | D+15.0 |
| 1984 | 11.3% | 87.9% | R+76.6 | R+4.1 |
| 1980 | 12.0% | 84.5% | R+72.5 | R+39.0 |
| 1976 | 31.6% | 65.1% | R+33.6 | D+10.8 |
| 1972 | 14.0% | 58.4% | R+44.4 | R+3.0 |
| 1968 | 20.1% | 61.5% | R+41.4 | R+27.3 |
| 1964 | 42.9% | 57.1% | R+14.1 | R+9.1 |
| 1960 | 47.5% | 52.5% | R+5.0 | D+15.2 |
| 1956 | 39.9% | 60.1% | R+20.2 | D+13.4 |
| 1952 | 33.2% | 66.8% | R+33.6 | R+48.4 |
| 1948 | 56.5% | 41.8% | D+14.8 | — |
What defines Jefferson?
Jefferson voted overwhelmingly Republican in 2024. Akashic Edge tracks 28 presidential elections here, revealing how its political character has evolved over more than a century.
County in State Context
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Key Insights
High-confidence patterns distilled from this geography's election history.
- Has voted Republican in the last 5 presidential elections
- Latest election (2024) was a Republican landslide with a 73.2% margin
- Turnout increased by 7.4 percentage points since the previous presidential election