Woodstock [Windham County] Connecticut was settled in 1686 as New Roxbury, Massachusetts. The name changed in 1690 to Woodstock, from Woodstock in Oxfordshire. It was annexed to Connecticut in 1749.Area, 61.8 sq. miles. Population, est., 6,580. Voting district, 1. Principal industries, agriculture and manufacture of electrical switches, jet aircraft components, microporous plastics, fancy soaps, toiletries, gourmet foods, and fiberglass components. Woodstock includes the areas South Woodstock, East Woodstock and Woodstock Valley .