Minnesota was won by DFL nominee Barack Obama by a 10.2% margin of victory. Prior to the election, all 17 news organizations considered this a state Obama would win, or otherwise considered as a safe blue state. Barack Obama carried the state with 54.06% of the vote in 2008 over John McCain's 43.82%. Obama became the first ever Democrat to win without carrying Lake of the Woods County, as well as the first to do so without carrying Clearwater County since Woodrow Wilson in 1912, the first to do so without carrying Anoka or Jackson Counties since Woodrow Wilson in 1916.
Obama was the first Democrat to carry Olmstead County since 1964. In 2008 78.1% of eligible Minnesotans voted – the highest percentage of any U.S. state – versus the national average of 61.2% As of 2020, this election was the last time Minnesota voted by a double-digit margin for a presidential candidate.