Middlesex
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Middlesex

County

Territory

  • officials recorded 12
  • partly recorded 1
  • nothing recorded 24
GEOID
25017
OCD-ID
ocd-division/country:us/state:ma/county:middlesex
POP
1,669,979 (2025)
CENTER
42.4855, -71.3917
SOURCE
census tiger

Government of Middlesex

Bodies, seats, agencies and services that belong to Middlesex itself. Jurisdictions inside it are listed separately below.

Organization 5

Departments

  • Middlesex County District Attorney's Office

    Prosecutorial office serving Middlesex County, MA. Responsible for criminal prosecution across the county's municipalities.

  • Middlesex County Retirement Board

    Provides retirement, disability, and survivor benefits to approximately 5,000 retirees and 10,000 active employees of 31 towns and 39 districts and authorities within Middlesex County.

  • Middlesex County Sheriff's Office

    Law enforcement and correctional services for Middlesex County, MA. Operates jail and house of correction. Recognized nationally for innovative correctional-based treatment programming.

  • Middlesex North Registry of Deeds

    Records and maintains real estate documents for the Northern District of Middlesex County, serving Billerica, Carlisle, Chelmsford, Dracut, Dunstable, Lowell, Tewksbury, Tyngsborough, Westford, and Wilmington.

  • Middlesex South Registry of Deeds

    Records and maintains real estate documents for the Southern District of Middlesex County, serving over 40 communities including Cambridge, Somerville, Newton, Framingham, and Waltham.

Within Middlesex

Each of these governs itself. Counts are that jurisdiction's own records.

jurisdictions
80
agencies
61
bodies
13
officials
60
Name Agencies Bodies Officials
Cambridge 3 1 0
Lowell 9 1 11
Newton 1 1 1
Somerville 1 1 1
Framingham 1 1 1
Malden 1 1 1
Waltham 1 1 1
Medford 1 1 1
Everett 1 1 1
Woburn 20 1 10
Marlborough 6 1 12
Watertown 9 1 9
Melrose 7 1 11
Acton-Boxborough Regional School District 0 0 0
Arlington 0 0 0
Arlington School District 0 0 0
Ashland School District 0 0 0
Ayer 0 0 0
Ayer-Shirley School District 0 0 0
Bedford School District 0 0 0
Belmont 0 0 0
Belmont School District 0 0 0
Billerica School District 0 0 0
Burlington 0 0 0
Burlington School District 0 0 0
Cambridge School District 0 0 0
Chelmsford School District 0 0 0
Cochituate 0 0 0
Devens 0 0 0
Dracut School District 0 0 0
East Pepperell 0 0 0
Everett School District 0 0 0
Framingham School District 0 0 0
Groton 0 0 0
Groton-Dunstable School District 0 0 0
Hanscom AFB 0 0 0
Holliston School District 0 0 0
Hopkinton 0 0 0
Hopkinton School District 0 0 0
Hudson 0 0 0
Hudson School District 0 0 0
Lexington 0 0 0
Lexington School District 0 0 0
Littleton Common 0 0 0
Littleton School District 0 0 0
Lowell School District 0 0 0
Malden School District 0 0 0
Marlborough School District 0 0 0
Maynard 0 0 0
Maynard School District 0 0 0

Showing the 50 largest of 80. Totals include all of them.