| Capital: | East Cambridge |
|---|---|
| Segunda Capital: | Lowell |
| Origen y Formación del condado: | One of four original counties created in the Massachusetts Bay Colony. Government abolished in 1997.[4] |
| Población: | 1,503,085 habitantes |
| Área: | 824 sq mi |
| Localización del condado dentro de Massachusetts: |
|
Localidades en Middlesex, Massachusetts
- Acton
- Arlington
- Ashby
- Ashland
- Ayer
- Bedford
- Belmont
- Billerica
- Boxborough
- Brentwood Holliston
- Burlington
- Carlisle
- Chelmsford
- Cochituate
- Concord
- Devens
- Dracut
- Dunstable
- East Cambridge
- East Lexington
- East Pepperell
- Framingham
- Gleasondale
- Groton
- Groton Cdp
- Holliston
- Hopkinton
- Hudson
- Hudson Cdp
- Lexington
- Lincoln
- Littleton
- Littleton Common
- Lowell
- Malden
- Marlborough
- Maynard
- Natick
- Newton
- North Reading
- North Waltham
- Pepperell
- Pepperell Cdp
- Pinehurst
- Reading
- Seal Of Harvard
- Sherborn
- Shirley
- Shirley Cdp
- Somerville
- Stoneham
- Stow
- Sudbury
- Tewksbury
- Townsend
- Townsend Cdp
- Tyngsboro
- Wakefield
- Waltham
- Watertown
- Wayland
- Westford
- Weston
- West Concord
- West Medford
- Wilmington
- Winchester
- Woburn