Polls database
Every poll we use, with its source
11,685 polls since 2015: national questions, Senate, House, governor and state legislative races, presidential primaries and ballot measures. Filter, then open any poll’s release.
Pollster: Southern Illinois University Remove ×
Matching polls
3Polls by Southern Illinois University.
Polls per month
1
Oct 2016Jan 2017Jan 2018Sep 2018
Latest poll in the database ended Nov 2, 2026. Source: 99chambers polls database
| Dates | Question | Pollster | Sponsor | Sample | Pop. | Mode | Result | Margin | Adjusted | vs result | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 24–29, 2018 | 2018 Illinois gubernatorial election (2018) | — Southern Illinois University | — | 715 | V | — | Pritzker 49 · Rauner 27 | D+22 | — | — | Release |
| Feb 19–25, 2018 | 2018 Illinois gubernatorial election (2018) | — Southern Illinois University | — | 1,001 | V | — | Pritzker 50 · Rauner 35 | D+15 | — | — | Release |
| Sep 27–Oct 2, 2016 | 2016 United States Senate election in Illinois (2016) | — Southern Illinois University | — | 865 | V | — | Duckworth 48 · Kirk 34 | D+14 | — | — | Release |
Showing 1–3 of 3
Adjusted: after house-effect and population corrections. vs result: margin minus the certified or unofficial result. Latest poll in the database ended Nov 2, 2026. Source: each poll’s own release, as cited by the poll list it was compiled from (The New York Times for Senate, governor and House races; Wikipedia for other offices)