Gonzales Research & Marketing Strategies Inc.
5 scored general-election polls (2014–2020) , each measured against the certified result. How to read these numbers: methodology.
Record by cycle
| Cycle | Polls | Avg. Error | Lean | Winner Called |
|---|---|---|---|---|
| 2020 | 1 | 8.1 pts | R+8.1 | 100% |
| 2018 | 2 | 6.4 pts | R+6.4 | 100% |
| 2014 | 2 | 6.8 pts | D+6.8 | 0% |
Every scored poll
| Date | Race | Poll Margin | Actual | Error | Called It |
|---|---|---|---|---|---|
| 2020-10-21 | MD President | D+25.1 | D+33.2 | 8.1 | ✓ |
| 2018-10-03 | MD Governor | R+17.9 | R+11.9 | 6.1 | ✓ |
| 2018-10-03 | MD Senate | D+27.9 | D+34.6 | 6.7 | ✓ |
| 2014-10-22 | MD Governor | D+2.0 | R+3.8 | 5.8 | ✗ |
| 2014-09-20 | MD Governor | D+4.0 | R+3.8 | 7.8 | ✗ |
Margins shown as party lead (D+/R+); for non-D-vs-R matchups the margin is first-listed candidate minus second. Historical scored-poll data for cycles through 2023 from FiveThirtyEight's pollster-ratings dataset (CC-BY-4.0); 2024 scored by PollingSource. This record never changes what enters the PollingSource average.