The Middlesex County Jail is located in Cambridge, Massachusetts at 40 Thorndike street 02142. The jail staff can be reached by calling (617) 494-4410.If you are looking to post bail for an inmate at Middlesex County Jail fill out the form at the top of this page.
Source: U.S. Census Bureau
Middlesex has a total population of 1,505,006. The population has increased by 38,610 (3%) from 2000 through 2009. The population density is 1839.5 and covers 818 square miles.