Massachusetts from the southern part of the District of Maine . Renamed York County by Massachusetts in 1668 King James II of England , earlier Duke of York . &&&&&&&&&0186742.&&&&&0 186,742 &&&&&&&&&&&01271.&&&&&0 1,271 sq mi ( &&&&&&&&&&&03292.&&&&&0 3,292 km 2 ) References Edit ^ a b c Clark, Charles E. (1990). Maine: A History . University