2008 presidential primary and caucus results
Who won every Democratic and Republican presidential primary and caucus in 2008, state by state, with vote shares.
Democratic contests
- Barack Obama 30
- Hillary Rodham Clinton 21
Republican contests
- John McCain 33
- Mitt Romney 10
- Mike Huckabee 7
Every state
| State | Democratic winner | Republican winner |
|---|---|---|
| Alabama | Barack Obama 56% | Mike Huckabee 41% |
| Alaska | Barack Obama 75% | Mitt Romney 45% |
| Arizona | Hillary Rodham Clinton 50% | John McCain 47% |
| Arkansas | Hillary Rodham Clinton 70% | Mike Huckabee 60% |
| California | Hillary Rodham Clinton 51% | John McCain 42% |
| Colorado | Barack Obama 67% | Mitt Romney 60% |
| Connecticut | Barack Obama 51% | John McCain 52% |
| Delaware | Barack Obama 53% | John McCain 45% |
| District of Columbia | Barack Obama 75% | John McCain 68% |
| Florida | Hillary Rodham Clinton 50% | John McCain 36% |
| Georgia | Barack Obama 66% | Mike Huckabee 34% |
| Hawaii | Barack Obama 76% | — |
| Idaho | Barack Obama 80% | John McCain 70% |
| Illinois | Barack Obama 65% | John McCain 47% |
| Indiana | Hillary Rodham Clinton 51% | John McCain 78% |
| Iowa | Barack Obama 35% | Mike Huckabee 34% |
| Kansas | Barack Obama 74% | Mike Huckabee 60% |
| Kentucky | Hillary Rodham Clinton 65% | John McCain 72% |
| Louisiana | Barack Obama 57% | Mike Huckabee 43% |
| Maine | Barack Obama 59% | Mitt Romney 52% |
| Maryland | Barack Obama 61% | John McCain 55% |
| Massachusetts | Hillary Rodham Clinton 56% | Mitt Romney 51% |
| Michigan | Hillary Rodham Clinton 55% | Mitt Romney 39% |
| Minnesota | Barack Obama 66% | John McCain 38% |
| Mississippi | Barack Obama 61% | John McCain 79% |
| Missouri | Barack Obama 49% | John McCain 33% |
| Montana | Barack Obama 57% | Mitt Romney 38% |
| Nebraska | Barack Obama 68% | John McCain 87% |
| Nevada | Hillary Rodham Clinton 51% | Mitt Romney 51% |
| New Hampshire | Hillary Rodham Clinton 39% | John McCain 37% |
| New Jersey | Hillary Rodham Clinton 54% | John McCain 55% |
| New Mexico | Hillary Rodham Clinton 49% | John McCain 86% |
| New York | Hillary Rodham Clinton 57% | John McCain 50% |
| North Carolina | Barack Obama 56% | John McCain 74% |
| North Dakota | Barack Obama 61% | Mitt Romney 36% |
| Ohio | Hillary Rodham Clinton 53% | John McCain 55% |
| Oklahoma | Hillary Rodham Clinton 55% | John McCain 37% |
| Oregon | Barack Obama 59% | John McCain 81% |
| Pennsylvania | Hillary Rodham Clinton 55% | John McCain 73% |
| Rhode Island | Hillary Rodham Clinton 58% | John McCain 65% |
| South Carolina | Barack Obama 55% | John McCain 33% |
| South Dakota | Hillary Rodham Clinton 55% | John McCain 70% |
| Tennessee | Hillary Rodham Clinton 54% | Mike Huckabee 34% |
| Texas | Hillary Rodham Clinton 51% | John McCain 51% |
| Utah | Barack Obama 57% | Mitt Romney 89% |
| Vermont | Barack Obama 59% | John McCain 71% |
| Virginia | Barack Obama 64% | John McCain 50% |
| Washington | Barack Obama 68% | John McCain 49% |
| West Virginia | Hillary Rodham Clinton 67% | John McCain 76% |
| Wisconsin | Barack Obama 58% | John McCain 55% |
| Wyoming | Barack Obama 61% | Mitt Romney 54% |
Source: FiveThirtyEight election-results.