| District | Incumbent | Party | First Elected | 2012 Status / Result | Candidates | |
| Iowa 1 | Bruce Braley | Democratic | 2006 | Re-elected | Bruce Braley (Democratic) Ben Lange (Republican) |
|
| Iowa 2 | David Loebsack | Democratic | 2006 | Re-elected | David Loebsack (Democratic) John Archer (Republican) |
|
| Iowa 3 | Leonard Boswell / Tom Latham(Redistricted from the 4th district) | Democratic | 1996 | Lost re-election Democratic loss / Re-elected | Leonard Boswell (Democratic) Tom Latham (Republican) David Rosenfield (Socialist Workers) |
|
| Iowa 4 | Steve King(Redistricted from the 5th district) | Republican | 2002 | Re-elected | Steve King (Republican) Christie Vilsack (Democratic) |
|
Source: http://en.wikipedia.org/
| US House Of Representatives Elections 2012 | |||
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