New England's most populous state is Massachusetts.
Massachusetts [ mæsəˈtʃuːsᵻts ] or [ ˌmæsəˈtʃuːzᵻts ] ; officially the Commonwealth of Massachusetts , is the most populous state in the New England region of the northeastern United States . New England is a geographical region comprising six states of the northeast United States : Connecticut , Maine , Massachusetts , New Hampshire , Rhode Island , and Vermont .