Massachusetts 2018 Senate Election Polls
| Source | Date | Sample | Warren | Diehl | Other | |
|---|---|---|---|---|---|---|
| Poll Averages† | 55.5% | 30.8% | - | |||
| Western New England U. | 10/31/2018 | 402 LV | 57% | 27% | 16% | |
| WBUR Poll | 10/30/2018 | 502 LV | 53% | 31% | 16% | |
| Suffolk University | 10/29/2018 | 500 LV | 56% | 34% | 10% | |
| UMass Lowell/Boston Globe | 10/10/2018 | 485 LV | 56% | 31% | 13% | |
| WBUR Poll | 9/25/2018 | 506 LV | 56% | 30% | 14% | |
| Suffolk University | 9/19/2018 | 500 LV | 54% | 24% | 22% | |
| Suffolk University | 6/14/2018 | 500 LV | 55% | 33% | 12% | |
| WBUR Poll | 6/01/2018 | 501 RV | 54% | 19% | 27% | |
| WBUR Poll | 3/21/2018 | 504 RV | 55% | 20% | 25% | |
†The average includes the most recent poll from each source within the past 30 days, up to a maximum of five. If five polls are found, and there are other qualifying polls on that same calendar date, those will also be included.
