Frederica is a town in Kent County, Delaware, United States. It is part of the Dover, Delaware Metropolitan Statistical Area. The population was 648 at the 2000 census. ILC Dover, the company who manufactured the spacesuits for the Apollo and Skylab astronauts of the 1960s and 1970s, along with fabricating the suit component of the Space Shuttle's Extravehicular Mobility Unit (EMU), is located nearby.