1848 Senate Elections
Table of returns — 31 states
| State | Winner | Margin |
|---|---|---|
| South Carolina | Liberal (Liberal) | 34.9% |
| Georgia | Liberal (Liberal) | 34.0% |
| Alabama | Liberal (Liberal) | 43.5% |
| Mississippi | Liberal (Liberal) | 35.6% |
| Orleans | Liberal (Liberal) | 19.3% |
| North Carolina | National (National) | 0.9% |
| Arkansas | Liberal (Liberal) | 48.3% |
| Tennessee | Liberal (Liberal) | 19.6% |
| Texas | Liberal (Liberal) | 47.8% |
| Virginia | National (National) | 3.6% |
| Kentucky | Liberal (Liberal) | 17.2% |
| Maryland | National (National) | 46.1% |
| Delaware | National (National) | 14.5% |
| Pennsylvania | National (National) | 4.3% |
| New Jersey | National (National) | 19.2% |
| Ohio | National (National) | 40.5% |
| New York | Liberal (Liberal) | 18.3% |
| Connecticut | National (National) | 20.9% |
| Massachusetts | National (National) | 46.1% |
| Rhode Island | National (National) | 29.8% |
| New Hampshire | National (National) | 29.7% |
| Vermont | National (National) | 26.5% |
| Maine | National (National) | 21.4% |
| Miami | National (National) | 13.5% |
| Illinois | Liberal (Liberal) | 8.6% |
| Michigan | National (National) | 13.0% |
| Iowa | Liberal (Liberal) | 29.8% |
| Missouri | Liberal (Liberal) | 23.4% |
| Marshall | National (National) | 40.1% |
| Chihuahua | Liberal (Liberal) | 22.9% |
| Sonora | National (National) | 3.2% |