| Dems win Gov, Reps win Senate | No | 1.8k | Not graded | — |
| Reps win Gov, Dems win Senate | No | 1.8k | Not graded | — |
| Dems sweep | No | 1.8k | Not graded | — |
| Other | No | 1.8k | Not graded | — |
| Reps sweep | No | 1.8k | Not graded | — |
| Dems sweep | Yes | 800 | Not graded | — |
| Reps sweep | Yes | 585 | Not graded | — |
| Dems sweep | Yes | 536 | Not graded | — |
| Dems sweep | Yes | 481 | Not graded | — |
| Reps win Gov, Dems win Senate | Yes | 425 | Not graded | — |
| Reps win Gov, Dems win Senate | Yes | 381 | Not graded | — |
| Reps sweep | Yes | 370 | Not graded | — |
| Dems win Gov, Reps win Senate | Yes | 345 | Not graded | — |
| Reps win Gov, Dems win Senate | Yes | 314 | Not graded | — |
| Other | Yes | 314 | Not graded | — |
| Dems win Gov, Reps win Senate | Yes | 312 | Not graded | — |
| Dems sweep | No | 287 | Not graded | — |
| Other | Yes | 285 | Not graded | — |
| Reps sweep | Yes | 273 | Not graded | — |
| Dems win Gov, Reps win Senate | Yes | 257 | Not graded | — |
| Dems win Gov, Reps win Senate | Yes | 249 | Not graded | — |
| Reps sweep | Yes | 229 | Not graded | — |
| Other | Yes | 219 | Not graded | — |
| Reps sweep | Yes | 171 | Not graded | — |
| Dems win Gov, Reps win Senate | No | 163 | Not graded | — |