1820 Senate Elections
Table of returns — 19 states
| State | Winner | Margin |
|---|---|---|
| South Carolina | Republican (Republican) | 18.0% |
| Georgia | Republican (Republican) | 4.6% |
| Orleans | Admissionist (Admissionist) | 37.1% |
| North Carolina | National (National) | 2.3% |
| Tennessee | Admissionist (Admissionist) | 36.2% |
| Virginia | National (National) | 5.4% |
| Kentucky | Admissionist (Admissionist) | 44.2% |
| Maryland | Tory (Tory) | 12.7% |
| Delaware | National (National) | 26.2% |
| Pennsylvania | National (National) | 1.3% |
| New Jersey | National (National) | 14.3% |
| Ohio | Admissionist (Admissionist) | 56.0% |
| New York | Admissionist (Admissionist) | 0.9% |
| Connecticut | Tory (Tory) | 29.1% |
| Massachusetts | National (National) | 67.0% |
| Rhode Island | Tory (Tory) | 15.0% |
| New Hampshire | Admissionist (Admissionist) | 6.5% |
| Vermont | National (National) | 23.5% |
| Massachusetts | National (National) | 67.0% |