1984 Presidential General Election Data Graphs - Massachusetts
by County
| Barnstable | Mondale | 42.7% | |
| Reagan | 57.0% | |
| Other | 0.4% | |
| Berkshire | Mondale | 46.6% | |
| Reagan | 52.9% | |
| Other | 0.5% | |
| Bristol | Mondale | 50.0% | |
| Reagan | 49.6% | |
| Other | 0.4% | |
| Dukes | Mondale | 54.1% | |
| Reagan | 45.5% | |
| Other | 0.4% | |
| Essex | Mondale | 44.8% | |
| Reagan | 54.8% | |
| Other | 0.4% | |
| Franklin | Mondale | 49.2% | |
| Reagan | 50.4% | |
| Other | 0.5% | |
| Hampden | Mondale | 48.6% | |
| Reagan | 51.1% | |
| Other | 0.4% | |
| Hampshire | Mondale | 55.7% | |
| Reagan | 44.0% | |
| Other | 0.4% | |
| Middlesex | Mondale | 50.3% | |
| Reagan | 49.4% | |
| Other | 0.3% | |
| Nantucket | Mondale | 45.9% | |
| Reagan | 53.5% | |
| Other | 0.5% | |
| Norfolk | Mondale | 46.2% | |
| Reagan | 53.6% | |
| Other | 0.3% | |
| Plymouth | Mondale | 39.4% | |
| Reagan | 60.2% | |
| Other | 0.4% | |
| Suffolk | Mondale | 62.3% | |
| Reagan | 37.4% | |
| Other | 0.4% | |
| Worcester | Mondale | 43.2% | |
| Reagan | 56.5% | |
| Other | 0.3% | |