United States House of Representatives elections, 2006 Illinois Illinois

| District | Incumbent | Party | First_elected | Results |
|---|---|---|---|---|
| Illinois 14 | Dennis Hastert | Republican | 1986 | Re-elected |
| Illinois 15 | Tim Johnson | Republican | 2000 | Re-elected |
| Illinois 16 | Donald Manzullo | Republican | 1992 | Re-elected |
| Illinois 17 | Lane Evans | Democratic | 1982 | Retired Democratic hold |
| Illinois 18 | Ray LaHood | Republican | 1994 | Re-elected |
| Illinois 19 | John Shimkus | Republican | 1996 | Re-elected |