Nielson Brothers Polling
Polls scored
11
9 races, 2010–2020
Lean
12.3 pts toward Democrats
95% range 8.5 to 16.9
Average miss
12.3 pts
on the D–R margin
Winner called
91%
Every scored poll
| Fieldwork ended | Race | Poll | Result | Miss | Workings |
|---|---|---|---|---|---|
| 2020-10-26 | 2020 President · SD | R+15.0 | R+26.2 | +11.2 | autopsy |
| 2020-10-26 | 2020 Senate · SD | R+17.0 | R+31.5 | +14.5 | autopsy |
| 2016-10-25 | 2016 Senate · SD | R+19.0 | R+43.7 | +24.7 | autopsy |
| 2016-10-25 | 2016 President · SD | R+14.0 | R+29.8 | +15.8 | autopsy |
| 2016-10-25 | 2016 House · SD-1 | R+10.0 | R+28.2 | +18.2 | autopsy |
| 2012-11-02 | 2012 President · SD | R+12.0 | R+18.0 | +6.0 | autopsy |
| 2012-11-02 | 2012 House · SD-1 | R+13.0 | R+14.9 | +1.9 | autopsy |
| 2012-10-30 | 2012 President · SD | R+8.0 | R+18.0 | +10.0 | autopsy |
| 2012-10-30 | 2012 House · SD-1 | R+6.0 | R+14.9 | +8.9 | autopsy |
| 2010-10-21 | 2010 Governor · SD | R+3.0 | R+23.0 | +20.0 | autopsy |
| 2010-10-21 | 2010 House · SD-1 | D+1.5 | R+2.2 | +3.7 | autopsy |