what county is concord ma in
Concord, Massachusetts. Concord (/ËkÉn.kÉÉ¹d/, locally /ËkaÅ.kÉÉ¹d/) is a town in Middlesex County, Massachusetts, in the United States. At the 2010 census, the town population was 17,668. The United States Census Bureau considers Concord part of Greater Boston.