Meet Joe


Sheriff Joseph D. McDonald, Jr. is the 30th High Sheriff of Plymouth County and arguably leader of the oldest law enforcement agency in America.  First elected in November 2004, he was sworn into office on January 5, 2005, and reelected in 2010 and 2016.

Prior to taking office,  Sheriff McDonald served for nine years as an Assistant District Attorney for Plymouth County.

Sheriff McDonald is a lifelong resident of Plymouth County, having grown up in Marshfield, and for the last twenty (20) years making his family’s home in Kingston.  He is a graduate of the University of Massachusetts-Amherst, where he received his Bachelor of Arts degree, and Suffolk University Law School, where he received his Juris Doctor.

He is also a graduate of the National Sheriff’s Institute (88th Session) at Longmont, CO; FBI LEEDS (59th Session) at the FBI Academy, Quantico, VA; and the Massachusetts Municipal Police Training Committee Basic Reserve Police Academy (Session 06-01).  In 2017, the Sheriff was proud to receive the FBI Trilogy Award, upon his successful completion of the requisite specialized training in law enforcement supervision, management and command.

Among Sheriff McDonald’s professional associations are:  The National Sheriff’s Association (NSA), the International Association of Chiefs of Police (IACP), the FBI Law Enforcement Executive Development Association (FBI-LEEDA), the American Correctional Association (ACA), Southeast Massachusetts Police Chiefs Association, Southeast Massachusetts Detectives Association, Southeast Massachusetts Prosecutors Association (past secretary), the Plymouth County Police Chiefs Association, Plymouth County Police Officers Association, and the Plymouth District Bar Association (past president).  He is also a member of the Massachusetts and Federal Bar.    

Sheriff McDonald currently serves as  President of the Massachusetts  Sheriff’s Association, a position to which he was first elected in 2013.