1966 Lt. Gubernatorial General Election Data Graphs - Massachusetts
by CountyData for this Contest was Contributed by on 2012-08-03
| Barnstable | McGuire | 22.5% | |
| Sargent | 77.1% | |
| Other | 0.4% | |
| Berkshire | McGuire | 41.4% | |
| Sargent | 57.3% | |
| Other | 1.2% | |
| Bristol | McGuire | 52.8% | |
| Sargent | 46.4% | |
| Other | 0.9% | |
| Dukes | McGuire | 25.5% | |
| Sargent | 73.6% | |
| Other | 0.9% | |
| Essex | McGuire | 43.0% | |
| Sargent | 55.7% | |
| Other | 1.4% | |
| Franklin | McGuire | 32.7% | |
| Sargent | 66.6% | |
| Other | 0.7% | |
| Hampden | McGuire | 43.6% | |
| Sargent | 55.0% | |
| Other | 1.4% | |
| Hampshire | McGuire | 42.5% | |
| Sargent | 56.8% | |
| Other | 0.7% | |
| Middlesex | McGuire | 41.5% | |
| Sargent | 57.3% | |
| Other | 1.2% | |
| Nantucket | McGuire | 23.4% | |
| Sargent | 76.3% | |
| Other | 0.4% | |
| Norfolk | McGuire | 38.4% | |
| Sargent | 60.9% | |
| Other | 0.7% | |
| Plymouth | McGuire | 36.4% | |
| Sargent | 63.0% | |
| Other | 0.6% | |
| Suffolk | McGuire | 55.2% | |
| Sargent | 42.8% | |
| Other | 2.0% | |
| Worcester | McGuire | 51.2% | |
| Sargent | 48.0% | |
| Other | 0.8% | |