United States House of Representatives elections, 2006 Colorado Colorado

| District | Incumbent | Party | First_elected | Results |
|---|---|---|---|---|
| Colorado 1 | Diana DeGette | Democratic | 1996 | Re-elected |
| Colorado 2 | Mark Udall | Democratic | 1998 | Re-elected |
| Colorado 3 | John Salazar | Democratic | 2004 | Re-elected |
| Colorado 4 | Marilyn Musgrave | Republican | 2002 | Re-elected |
| Colorado 5 | Joel Hefley | Republican | 1986 | Retired Republican hold |
| Colorado 6 | Tom Tancredo | Republican | 1998 | Re-elected |
| Colorado 7 | Bob Beauprez | Republican | 2002 | Retired to run for Governor Democratic gain |