Opinion polling for the United States Senate elections, 2008 Idaho Idaho

| Poll_Source | Dates_administered | Democrat_Larry_LaRocco | Republican_Jim_Risch | Lead_Margin |
|---|---|---|---|---|
| Research 2000/Daily Kos | September 16-September 17, 2008 | 33% | 56% | 23 |
| Rasmussen Reports | September 9, 2008 | 30% | 58% | 28 |
| Greg Smith & Associates | August 18-August 22, 2008 | 30% | 41% | 11 |
| Research 2000/Daily Kos | July 28-July 30, 2008 | 32% | 42% | 10 |
| Lake Research * | May 20-May 25, 2008 | 28% | 43% | 15 |
| Robinson Research * | November 26-December 12, 2007 | 27% | 46% | 19 |
| Myers Research * | November 13-November 19, 2007 | 34% | 48% | 14 |
| Survey USA | September 6-September 8, 2007 | 36% | 52% | 16 |