Massachusetts's 5th congressional district special election, 2007 Democratic Primary Democratic Primary

| Source_ | Date_ | Donoghue_D | Eldridge_D | Finegold_D | Miceli_D | Tsongas_D |
|---|---|---|---|---|---|---|
| Survey USA | Aug 27-29, 2007 | 29% | 15% | 9% | 3% | 40% |
| Survey USA | Aug 11-13, 2007 | 16% | 13% | 14% | 4% | 38% |
| Kiley & Company | Aug 8-9, 2007 | 18% | 16% | 13% | 4% | 34% |
| JEF Associates | Aug 6-7, 2007 | 22% | 7% | 8% | 4% | 28% |
| Kiley & Company | Jul 15, 2007 | 13% | 12% | 10% | 4% | 36% |
| JEF Associates | Jun 28-30, 2007 | 17% | 10% | 13% | 4% | 26% |
| Kiley & Company | May 22, 2007 | 9% | 10% | 11% | 3% | 38% |
| Garin-Hart-Yang Research | May 3-4, 2007 | 13% | 5% | 10% | 4% | 36% |
| Kiley & Company | Mar 23-24, 2007 | 9% | 9% | 8% | 3% | 35% |