United States House of Representatives elections in Maine, 2012

The 2012 United States House of Representatives elections in Maine was held on Tuesday, November 6, 2012 to elect the two U.S. Representatives from the state of Maine, one from each of the state's two congressional districts. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election and an election to the U.S. Senate. As of 2016, this is the last election that Democrats won both of Maine's congressional districts.

Unlike most states, which will pass or have passed redistricting laws to redraw the boundaries of their congressional districts based on the 2010 United States Census in advance of the 2012 elections, Maine law requires that redistricting be done in 2013. In March 2011, a lawsuit was filed asking a U.S. district judge to ensure redistricting is completed in time for the 2012 elections. According to the Census, the 1st district had a population of 8,669 greater than that of the 2nd district. The Maine Democratic Party, which opposes the lawsuit, was granted intervenor status, and argues that the lawsuit constitutes an attempt by the Maine Republican Party to force Representatives Chellie Pingree and Mike Michaud, both of whom are Democrats, to run in the same district. On June 9, 2011, a panel of three federal judges agreed that failing to redistrict would be unconstitutional, and that the state should redraw the boundaries of its districts immediately.

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