Buchanan County, Iowa
Latest: 2024
Safe Republican — shifted 7.2pp toward Republicans in 2024 — 40 presidential elections on record
Race & ancestry
| Group | % |
|---|---|
▶White (Non-Hispanic)(13) | 95.0% |
▶Hispanic / Latino(7) | 1.9% |
▶Black / African American(5) | 0.6% |
▶Asian(1) | 0.2% |
▶Native American / Alaska Native(2) | 0.3% |
▶Native Hawaiian / Pacific Islander(2) | 0.1% |
Multiracial / Other | 2.0% |
Religious adherence
| Tradition | % Pop | % Adherents |
|---|---|---|
| Mainline Protestant | 19.6% | 37.9% |
| Catholic | 19.5% | 37.7% |
| Evangelical Protestant | 12.6% | 24.4% |
| Non-religious | 48.4% | — |
Presidential results
| Year | Result |
|---|---|
| 2024 | Trump+28.1 |
| 2020 | Trump+20.9 |
| 2016 | Trump+14.8 |
| 2012 | Obama+13.9 |
| 2008 | Obama+18.5 |
| 2004 | Kerry+7.7 |
| 2000 | Gore+10.1 |
| 1996 | Clinton+21.8 |
| 1992 | Clinton+8.8 |
Buchanan, Iowa is a county that has a population of 20,694. In the 2024 presidential election, it voted Republican with a margin of R+28.1. Akashic Edge tracks 40 presidential elections here, dating back to 1868.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 35.0% | 63.2% | R+28.1 | R+7.2 |
| 2020 | 38.7% | 59.6% | R+20.9 | R+6.1 |
| 2016 | 38.3% | 53.1% | R+14.8 | R+28.7 |
| 2012 | 56.1% | 42.2% | D+13.9 | R+4.6 |
| 2008 | 58.5% | 40.0% | D+18.5 | D+10.7 |
| 2004 | 53.5% | 45.8% | D+7.7 | R+2.4 |
| 2000 | 53.6% | 43.5% | D+10.1 | R+11.7 |
| 1996 | 55.8% | 34.0% | D+21.8 | D+13.0 |
| 1992 | 43.2% | 34.3% | D+8.8 | R+6.6 |
| 1988 | 57.4% | 42.0% | D+15.4 | D+24.6 |
| 1984 | 45.1% | 54.3% | R+9.1 | D+6.1 |
| 1980 | 38.3% | 53.5% | R+15.2 | R+9.4 |
| 1976 | 46.2% | 52.0% | R+5.8 | D+12.6 |
| 1972 | 39.9% | 58.3% | R+18.4 | R+8.4 |
| 1968 | 42.3% | 52.4% | R+10.0 | R+37.6 |
| 1964 | 63.7% | 36.1% | D+27.6 | D+37.4 |
| 1960 | 45.1% | 54.9% | R+9.8 | D+12.3 |
| 1956 | 38.9% | 61.0% | R+22.1 | D+13.8 |
| 1952 | 31.8% | 67.8% | R+36.0 | R+33.8 |
| 1948 | 48.4% | 50.6% | R+2.1 | — |
What defines Buchanan?
Buchanan has been trending Republican — 42pp redder over the last 4 presidential cycles.
County in State Context
Current Iowa Polling
Contextual statewide polling for Iowa. County pages stay rooted in county returns, but live statewide polling helps frame the current cycle.
2026 Iowa Governor General Election
Rob Sand leads at 50.0%
1 pollsSparse
Field Preview
Ask the Historian
Explore this county's political evolution with the Historian
Key Insights
High-confidence patterns distilled from this geography's election history.
- Latest election (2024) was a Republican landslide with a 28.1% margin
- Won by both parties in recent history — Democrats most recently in 2012, Republicans in 2024
- Shifted 42.0 points toward Republicans over the last 4 elections