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 |
Idaho results by county
44 counties. Third-party and independent votes are reported by the county source as one combined figure; every named candidate is listed in the complete result below.
| Led by | |||||
|---|---|---|---|---|---|
| Ada County | John McCain+11,092 | 93,32851.6% | 82,23645.5% | 5,1962.9% | 180,760 |
| Adams County | John McCain+789 | 1,51765.4% | 72831.4% | 753.2% | 2,320 |
| Bannock County | John McCain+4,564 | 19,35655.1% | 14,79242.1% | 9572.7% | 35,105 |
| Bear Lake County | John McCain+1,875 | 2,37780.8% | 50217.1% | 642.2% | 2,943 |
| Benewah County | John McCain+1,239 | 2,64663.5% | 1,40733.8% | 1112.7% | 4,164 |
| Bingham County | John McCain+7,806 | 12,23071.3% | 4,42425.8% | 5012.9% | 17,155 |
| Blaine County | Barack Obama+3,508 | 3,43932.5% | 6,94765.7% | 1851.8% | 10,571 |
| Boise County | John McCain+1,193 | 2,43364.5% | 1,24032.9% | 1002.7% | 3,773 |
| Bonner County | John McCain+3,305 | 11,14557.0% | 7,84040.1% | 5622.9% | 19,547 |
| Bonneville County | John McCain+17,917 | 29,33470.3% | 11,41727.4% | 9522.3% | 41,703 |
| Boundary County | John McCain+1,594 | 3,07865.0% | 1,48431.4% | 1713.6% | 4,733 |
| Butte County | John McCain+738 | 1,05674.9% | 31822.6% | 362.6% | 1,410 |
| Camas County | John McCain+235 | 42268.3% | 18730.3% | 91.5% | 618 |
| Canyon County | John McCain+22,605 | 42,75266.5% | 20,14731.4% | 1,3472.1% | 64,246 |
| Caribou County | John McCain+2,103 | 2,65680.4% | 55316.7% | 932.8% | 3,302 |
| Cassia County | John McCain+4,977 | 6,30980.5% | 1,33217.0% | 2012.6% | 7,842 |
| Clark County | John McCain+241 | 30581.3% | 6417.1% | 61.6% | 375 |
| Clearwater County | John McCain+1,358 | 2,56965.8% | 1,21131.0% | 1263.2% | 3,906 |
| Custer County | John McCain+1,083 | 1,69472.0% | 61126.0% | 472.0% | 2,352 |
| Elmore County | John McCain+3,074 | 5,66567.2% | 2,59130.7% | 1802.1% | 8,436 |
| Franklin County | John McCain+3,646 | 4,24683.7% | 60011.8% | 2274.5% | 5,073 |
| Fremont County | John McCain+3,635 | 4,70079.9% | 1,06518.1% | 1152.0% | 5,880 |
| Gem County | John McCain+3,419 | 5,58570.3% | 2,16627.3% | 1962.5% | 7,947 |
| Gooding County | John McCain+2,276 | 3,76569.8% | 1,48927.6% | 1372.5% | 5,391 |
| Idaho County | John McCain+3,878 | 5,89571.8% | 2,01724.6% | 2983.6% | 8,210 |
| Jefferson County | John McCain+6,899 | 8,54081.8% | 1,64115.7% | 2602.5% | 10,441 |
| Jerome County | John McCain+3,103 | 4,89771.5% | 1,79426.2% | 1562.3% | 6,847 |
| Kootenai County | John McCain+16,267 | 38,38762.0% | 22,12035.7% | 1,4252.3% | 61,932 |
| Latah County | Barack Obama+1,207 | 7,98845.1% | 9,19551.9% | 5313.0% | 17,714 |
| Lemhi County | John McCain+1,877 | 2,93871.6% | 1,06125.8% | 1062.6% | 4,105 |
| Lewis County | John McCain+796 | 1,27570.7% | 47926.6% | 502.8% | 1,804 |
| Lincoln County | John McCain+687 | 1,23265.9% | 54529.1% | 935.0% | 1,870 |
| Madison County | John McCain+9,504 | 11,13185.2% | 1,62712.5% | 2992.3% | 13,057 |
| Minidoka County | John McCain+3,457 | 5,08773.8% | 1,63023.7% | 1732.5% | 6,890 |
| Nez Perce County | John McCain+3,234 | 10,35758.1% | 7,12340.0% | 3431.9% | 17,823 |
| Oneida County | John McCain+1,343 | 1,72479.7% | 38117.6% | 572.6% | 2,162 |
| Owyhee County | John McCain+2,080 | 3,02474.5% | 94423.3% | 902.2% | 4,058 |
| Payette County | John McCain+3,573 | 5,98869.5% | 2,41528.0% | 2102.4% | 8,613 |
| Power County | John McCain+727 | 1,75461.7% | 1,02736.1% | 612.1% | 2,842 |
| Shoshone County | John McCain+432 | 2,95352.1% | 2,52144.5% | 1923.4% | 5,666 |
| Teton County | Barack Obama+39 | 2,26348.6% | 2,30249.4% | 932.0% | 4,658 |
| Twin Falls County | John McCain+10,411 | 19,03267.1% | 8,62130.4% | 6912.4% | 28,344 |
| Valley County | John McCain+367 | 2,77252.3% | 2,40545.4% | 1192.2% | 5,296 |
| Washington County | John McCain+1,927 | 3,16870.3% | 1,24127.5% | 972.2% | 4,506 |
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% |
Same ballot, 2008ID
Source. MIT Election Data + Science Lab — 2008 presidential returns · official county-level results. Real returns — nothing estimated.