United States House of Representatives elections, 2006 Iowa Iowa

| District | Incumbent | Party | First_elected | Results |
|---|---|---|---|---|
| Iowa 1 | Jim Nussle | Republican | 1990 | Retired to run for Governor Democratic gain |
| Iowa 2 | Jim Leach | Republican | 1976 | Lost re-election Democratic gain |
| Iowa 3 | Leonard Boswell | Democratic | 1996 | Re-elected |
| Iowa 4 | Tom Latham | Republican | 1994 | Re-elected |
| Iowa 5 | Steve King | Republican | 2002 | Re-elected |