Elections / 2008 · President · ID
Idaho — 2008 presidential election
Recent presidential results
Akashicstate2008 presidential electionIdaho · PresidentMcCainR+25.4
How it voted
Share of the 2008 vote
| John McCain ✓Republican | 61.4% | 403,012 |
|---|---|---|
| Barack ObamaDemocratic | 36.0% | 236,440 |
| OtherAll other candidates | 2.6% | 16,938 |
2008presidential margin
D+60R+60
44 counties, each filled by 2008 D-vs-R margin. Hover any county for its result.
Idaho cast 4 electoral votes this cycle.
County-level results (44 counties) — table
| County | Winner | Margin |
|---|---|---|
| Ada County, ID | Republican | R+6.1 |
| Adams County, ID | Republican | R+34.0 |
| Bannock County, ID | Republican | R+13.0 |
| Bear Lake County, ID | Republican | R+63.7 |
| Benewah County, ID | Republican | R+29.8 |
| Bingham County, ID | Republican | R+45.5 |
| Blaine County, ID | Democratic | D+33.2 |
| Boise County, ID | Republican | R+31.6 |
| Bonner County, ID | Republican | R+16.9 |
| Bonneville County, ID | Republican | R+43.0 |
| Boundary County, ID | Republican | R+33.7 |
| Butte County, ID | Republican | R+52.3 |
| Camas County, ID | Republican | R+38.0 |
| Canyon County, ID | Republican | R+35.2 |
| Caribou County, ID | Republican | R+63.7 |
| Cassia County, ID | Republican | R+63.5 |
| Clark County, ID | Republican | R+64.3 |
| Clearwater County, ID | Republican | R+34.8 |
| Custer County, ID | Republican | R+46.0 |
| Elmore County, ID | Republican | R+36.4 |
| Franklin County, ID | Republican | R+71.9 |
| Fremont County, ID | Republican | R+61.8 |
| Gem County, ID | Republican | R+43.0 |
| Gooding County, ID | Republican | R+42.2 |
| Idaho County, ID | Republican | R+47.2 |
| Jefferson County, ID | Republican | R+66.1 |
| Jerome County, ID | Republican | R+45.3 |
| Kootenai County, ID | Republican | R+26.3 |
| Latah County, ID | Democratic | D+6.8 |
| Lemhi County, ID | Republican | R+45.7 |
| Lewis County, ID | Republican | R+44.1 |
| Lincoln County, ID | Republican | R+36.7 |
| Madison County, ID | Republican | R+72.8 |
| Minidoka County, ID | Republican | R+50.2 |
| Nez Perce County, ID | Republican | R+18.1 |
| Oneida County, ID | Republican | R+62.1 |
| Owyhee County, ID | Republican | R+51.3 |
| Payette County, ID | Republican | R+41.5 |
| Power County, ID | Republican | R+25.6 |
| Shoshone County, ID | Republican | R+7.6 |
| Teton County, ID | Democratic | D+0.8 |
| Twin Falls County, ID | Republican | R+36.7 |
| Valley County, ID | Republican | R+6.9 |
| Washington County, ID | Republican | R+42.8 |
Nominees: Barack Obama (D) · John McCain (R)
Idaho's presidential margins
1892–2024, the 2008 contest in context
| Year | Margin (D minus R) |
|---|---|
| 1892 | −44.2% |
| 1896 | +56.8% |
| 1900 | +3.8% |
| 1904 | −40.4% |
| 1908 | −16.9% |
| 1912 | +1.1% |
| 1916 | +10.9% |
| 1920 | −31.3% |
| 1924 | −30.8% |
| 1928 | −29.3% |
| 1932 | +20.4% |
| 1936 | +29.8% |
| 1940 | +9.1% |
| 1944 | +3.5% |
| 1948 | +2.7% |
| 1952 | −31.0% |
| 1956 | −22.4% |
| 1960 | −7.6% |
| 1964 | +1.8% |
| 1968 | −26.1% |
| 1972 | −38.2% |
| 1976 | −22.8% |
| 1980 | −41.3% |
| 1984 | −46.0% |
| 1988 | −26.1% |
| 1992 | −13.6% |
| 1996 | −18.5% |
| 2000 | −39.5% |
| 2004 | −38.1% |
| 2008 | −25.4% |
| 2012 | −31.9% |
| 2016 | −31.8% |
| 2020 | −30.8% |
| 2024 | −36.5% |
County-by-county results — 44 counties
| County | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| Ada County | R | 82,236 | 93,328 | 180,760 | |
| Adams County | R | 728 | 1,517 | 2,320 | |
| Bannock County | R | 14,792 | 19,356 | 35,105 | |
| Bear Lake County | R | 502 | 2,377 | 2,943 | |
| Benewah County | R | 1,407 | 2,646 | 4,164 | |
| Bingham County | R | 4,424 | 12,230 | 17,155 | |
| Blaine County | D | 6,947 | 3,439 | 10,571 | |
| Boise County | R | 1,240 | 2,433 | 3,773 | |
| Bonner County | R | 7,840 | 11,145 | 19,547 | |
| Bonneville County | R | 11,417 | 29,334 | 41,703 | |
| Boundary County | R | 1,484 | 3,078 | 4,733 | |
| Butte County | R | 318 | 1,056 | 1,410 | |
| Camas County | R | 187 | 422 | 618 | |
| Canyon County | R | 20,147 | 42,752 | 64,246 | |
| Caribou County | R | 553 | 2,656 | 3,302 | |
| Cassia County | R | 1,332 | 6,309 | 7,842 | |
| Clark County | R | 64 | 305 | 375 | |
| Clearwater County | R | 1,211 | 2,569 | 3,906 | |
| Custer County | R | 611 | 1,694 | 2,352 | |
| Elmore County | R | 2,591 | 5,665 | 8,436 | |
| Franklin County | R | 600 | 4,246 | 5,073 | |
| Fremont County | R | 1,065 | 4,700 | 5,880 | |
| Gem County | R | 2,166 | 5,585 | 7,947 | |
| Gooding County | R | 1,489 | 3,765 | 5,391 | |
| Idaho County | R | 2,017 | 5,895 | 8,210 | |
| Jefferson County | R | 1,641 | 8,540 | 10,441 | |
| Jerome County | R | 1,794 | 4,897 | 6,847 | |
| Kootenai County | R | 22,120 | 38,387 | 61,932 | |
| Latah County | D | 9,195 | 7,988 | 17,714 | |
| Lemhi County | R | 1,061 | 2,938 | 4,105 | |
| Lewis County | R | 479 | 1,275 | 1,804 | |
| Lincoln County | R | 545 | 1,232 | 1,870 | |
| Madison County | R | 1,627 | 11,131 | 13,057 | |
| Minidoka County | R | 1,630 | 5,087 | 6,890 | |
| Nez Perce County | R | 7,123 | 10,357 | 17,823 | |
| Oneida County | R | 381 | 1,724 | 2,162 | |
| Owyhee County | R | 944 | 3,024 | 4,058 | |
| Payette County | R | 2,415 | 5,988 | 8,613 | |
| Power County | R | 1,027 | 1,754 | 2,842 | |
| Shoshone County | R | 2,521 | 2,953 | 5,666 | |
| Teton County | D | 2,302 | 2,263 | 4,658 | |
| Twin Falls County | R | 8,621 | 19,032 | 28,344 | |
| Valley County | R | 2,405 | 2,772 | 5,296 | |
| Washington County | R | 1,241 | 3,168 | 4,506 |
Same ballot, 2008ID
Source. MIT Election Data + Science Lab — 2008 presidential returns · official county-level results. Real returns — nothing estimated.