(March 17)
| Poll | Date | Krishnamoorthi | Stratton | Kelly | Ryan | Bustos | Maxwell | Dean | Botsford | Spread |
|---|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 1/3 - 1/25 | 31.5 | 15.5 | 9.5 | 1.5 | 1.0 | 1.0 | 1.0 | 0.5 | Krishnamoorthi +16.0 |
| Victory Research**Victory Research** | 1/21 - 1/25 | 32 | 21 | 11 | 1 | 2 | 1 | 1 | 0 | Krishnamoorthi +11 |
| WGN-TV/EmersonWGN-TV/Emerson | 1/3 - 1/5 | 31 | 10 | 8 | 2 | 0 | 1 | 1 | 1 | Krishnamoorthi +21 |
| Poll | Date | Krishnamoorthi | Stratton | Kelly | Ryan | Bustos | Maxwell | Dean | Botsford | Spread |
|---|---|---|---|---|---|---|---|---|---|---|
| RCP Average | 1/3 - 1/25 | 31.5 | 15.5 | 9.5 | 1.5 | 1.0 | 1.0 | 1.0 | 0.5 | Krishnamoorthi +16.0 |
| Victory Research**Victory Research** | 1/21 - 1/25 | 32 | 21 | 11 | 1 | 2 | 1 | 1 | 0 | Krishnamoorthi +11 |
| WGN-TV/EmersonWGN-TV/Emerson | 1/3 - 1/5 | 31 | 10 | 8 | 2 | 0 | 1 | 1 | 1 | Krishnamoorthi +21 |
| Victory Research**Victory Research** | 11/20 - 11/24 | 29 | 18 | 22 | 0 | 2 | -- | 0 | -- | Krishnamoorthi +7 |