2008 United States House of Representatives elections
House elections for the 111th U.S. Congress
The 2008 United States House of Representatives elections were held on November 4, 2008, to elect members to the United States House of Representatives to serve in the 111th United States Congress from January 3, 2009, until January 3, 2011. It coincided with the election of Barack Obama as president. All 435 voting seats, as well as all 6 non-voting seats, were up for election. The Democratic Party, which won a majority of seats in the 2006 election, expanded its control in 2008.
The Republican Party, hoping to regain the majority it lost in the 2006 election or at least expand its congressional membership, lost additional seats. With one exception (Louisiana's 2nd district), the only seats to switch from Democratic to Republican had been Republican-held prior to the 2006 elections. Republicans gained five Democratic seats total, while losing 26 of their own, giving the Democrats a net gain of 21 seats, effectively erasing all gains made by the GOP since 1994. In addition, with the defeat of Republican congressman Chris Shays in Connecticut's 4th district, this became the first time since the 1850s that no Republican represented the New England region.
The 10.6% popular vote advantage by the Democrats was the largest by either party since 1982, 26 years earlier, and as of 2026 remains the most recent time that either party won by a double-digit margin in the overall popular vote for the House of Representatives. Turnout increased due to the concurrent presidential election.
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