Willimantic is a village and census-designated place located in the town of Windham in Windham County, Connecticut, United States. The population was at 17,737 at the 2010 census. It is home to Eastern Connecticut State University, as well as the Windham Textile and History Museum. Willimantic was incorporated as a city in 1893; the city was superseded in 1983 by the Willimantic Special Services District. It is also the birthplace of former U.S Senator Christopher Dodd of Connecticut.