Why the 2008 election was the last time Montana felt like a swing state

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: In 2008, Montana transformed from a reliable Republican stronghold into a competitive battleground. While John McCain ultimately secured the state's three electoral votes, the narrow margin of victory and significant Democratic investment signaled a fleeting moment of political volatility that has not been repeated in the state since.

The 2008 presidential election in Montana saw Republican nominee John McCain defeat Democrat Barack Obama by a margin of 11,273 votes, or 2.38%. This result was notably tighter than the 2004 election, where George W. Bush carried the state by 20 percentage points. Although Montana had been a Republican bastion since 1968—with the sole exception of Bill Clinton’s 1992 victory—the 2008 race was viewed as a toss-up during its final weeks. It ranked as the fourth-closest state in the nation, trailing only Missouri, North Carolina, and Indiana.

Obama’s performance was bolstered by a massive financial advantage, with his campaign and interest groups spending over $1.7 million in the state, compared to just $134,805 by the McCain camp. Obama’s strategy focused on three core bases: students in Missoula County, long-standing Democratic strongholds in the southwest like Deer Lodge and Silver Bow, and Native American communities in the east. He successfully flipped seven counties from Republican to Democratic, including Gallatin County, which had not supported a Democrat since 1944. Despite these gains, McCain maintained his strength in rural, less unionized eastern regions.

The election was unique for its high third-party activity, with around 4% of the vote going to alternative candidates. Notably, Ron Paul received 2.17% of the vote on the Constitution Party line, despite not actively campaigning for it. While the presidential race was tight, state-level results were lopsided; Democratic Governor Brian Schweitzer and Senator Max Baucus both won by landslides. As of 2024, the 2008 contest remains the last time Montana was considered a serious swing state, the last time it was decided by a single-digit margin, and the final instance where a candidate won the state with less than 50% of the vote.

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