Massachusetts gubernatorial election, 1966
|Elections in Massachusetts|
The 1966 Massachusetts gubernatorial election was held on November 8, 1966. Governor John A. Volpe was reelected to a four-year term.  He defeated former Attorney General Edward J. McCormack, Jr. in the general election.  This was the first election held since Governor's Term of office was extended from two to four years.
Volpe ran unopposed in the Republican primary. McCormack defeated former Presidential aide Kenneth O'Donnell in the Democratic primary.
|1966 Massachusetts Democratic gubernatorial primary |
|Democratic||Edward J. McCormack, Jr.||343,381||55.12%|
|1966 Massachusetts Democratic Lt. gubernatorial primary |
|Democratic||Joseph E. McGuire||32,842||54.82%|
|Democratic||Herbert L. Connolly||27,063||45.17%|
General election 
Volpe defeated McCormack by over a half million votes. He won the majority of the votes in every Massachusetts county. 
|1966 Massachusetts gubernatorial election|
|Republican||John A. Volpe||1,277,358||62.58%|
|Democratic||Edward J. McCormack, Jr.||752,720||36.88%|
|Socialist Labor||Henning A. Blomen||6,539||0.32%|
|Prohibition||John C. Hedges||4,494||0.22%|
Francis W. Sargent defeated Joseph E. McGuire by 199,939 votes. It was the last general election in which the Governor and Lt. Governor were elected separately.
|1966 Massachusetts Lt. gubernatorial election|
|Republican||Francis W. Sargent||1,059,846||54.58%|
|Democratic||Joseph E. McGuire||859,907||44.28%|
|Socialist Labor||Francis A. Votano||14,822||0.76%|
|Prohibition||Grace F. Luder||7,202||0.37%|
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