Agawam is a city in Hampden County, Massachusetts, United States. The population was 28,438 at the 2010 census. Agawam sits on the western side of the Connecticut River, directly across from Springfield, Massachusetts. It is considered part of the Springfield Metropolitan Statistical Area, which is contiguous with the Knowledge Corridor area, the 2nd largest metropolitan area in New England. Agawam contains a subsection, Feeding Hills.
Agawam's ZIP code of 01001 is the lowest number in the continental United States (not counting codes used for specific government buildings such as the IRS).