The 2012 United States House of Representatives elections in Oregon were held on Tuesday, November 6, 2012, to elect the five U.S. representatives from the state of Oregon, apportioned according to the 2010 United States census. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election. All five incumbents, four Democrats and one Republican, were re-elected to another term.
Primary elections for Democrats and Republicans were held on May 15, 2012; other parties had other nominating procedures. Several candidates received nominations for multiple parties, as permitted by Oregon law.
On June 29, 2011, members of the Oregon Legislative Assembly reached an agreement on redistricting all five of Oregon's congressional districts, as required by population changes from the 2010 census. Among other changes, Downtown Portland was moved from District 1 to District 3; District 2 ceded more of the Grants Pass area to District 4; and District 5 was changed to include more of Clackamas County and only small parts of Multnomah County.
Oregon's 1st congressional district is represented by Democrat Suzanne Bonamici, the winner of a January 2012 special election held after Representative David Wu resigned following allegations of an unwanted sexual encounter following the resolution of the 2011 U.S. debt ceiling crisis. The district has a PVI of D+6.
Republican Greg Walden has represented Oregon's 2nd congressional district since 1998 and is seeking re-election. The district has a PVI of R+10.
Democrat Earl Blumenauer has represented Oregon's 3rd congressional district since 1996 and is seeking re-election. The district is the most Democratic-leaning district in the state, with a PVI of D+21.
Oregon's 4th congressional district has been represented by Democrat Peter DeFazio since 1987 and he is seeking re-election. The district has a PVI of D+2.
Democratic incumbent Kurt Schrader has represented Oregon's 5th congressional district since 2008 and is running for re-election in what is often considered to be the most competitive district in the state. In fact, the district has an even PVI.