Middlesex County Mass.

Population: 1,482,478
County Seat: Cambridge and Lowell

Cities - Cambridge , Everett, Lowell, Malden, Medford, Melrose, Newton, Somerville, Waltham, Watertown

Towns – Acton, Arlington, Ashby, Ashland, Ayer, Bedford, Belmont, Billerica, Boxborough, Burlington, Carlisle, Chelmsford, Concord, Dracut, Dunstable, Framingham, Groton, Hingham, Holliston, Hopkinton, Hudson, Lexington, Lincoln, Littleton, Marlborough, Maynard, Natick, North Reading, Pepperell, Reading, Sherborn, Shirley, Stoneham, Stow, Sudbury, Tewksbury, Townsend, Tyngsborough, Wakefield, Wayland, Westford, Weston, Wilmington, Winchester, Woburn

Villages – Auburndale, Chestnut Hill, Cochituate, Devens, East Lexington, East Pepperell, Littleton Common, Melrose Highlands, Newton Centre, Newton Highlands, Newton Lower Falls, Newton Upper Falls, Newtonville, Nobscot, Nonantum, North Billerica, North Chelmsford, Pinehurst, Saxonville, South Framingham, Thompsonville, Waban, West Concord

Essex County Mass.

Population: 723,419
County Seat: Salem and Lawrence

Cities - Amesbury, Beverly, Gloucester, Haverhill, Lawrence, Lynn, Manchester-By-The-Sea, Methuen, Newburyport, Peabody, Salem

Towns – Andover, Boxford, Danvers, Essex, Georgetown, Groveland, Hamilton, Ipswich, Lynnfield, Marblehead, Merrimac, Middleton, Nahant, Newbury, North Andover, Rockport, Rowley, Salisbury, Saugus, Swampscott, Topsfield, Wenham, West Newbury

Villages – Ballardvale, Byfield, Pigeon Cove, Shawsheen Village