Table of contents |

2 Demographics 3 Cities and towns 4 External Link |

There are 561,220 households out of which 30.20% have children under the age of 18 living with them, 51.30% are married couples living together, 9.90% have a female householder with no husband present, and 35.70% are non-families. 27.10% of all households are made up of individuals and 9.50% have someone living alone who is 65 years of age or older. The average household size is 2.52 and the average family size is 3.11.

In the county the population is spread out with 22.50% under the age of 18, 9.00% from 18 to 24, 33.40% from 25 to 44, 22.40% from 45 to 64, and 12.80% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 93.70 males. For every 100 females age 18 and over, there are 90.70 males.

The median income for a household in the county is $60,821, and the median income for a family is $74,194. Males have a median income of $49,460 versus $36,288 for females. The per capita income for the county is $31,199. 6.50% of the population and 4.30% of families are below the poverty line. Out of the total people living in poverty, 7.20% are under the age of 18 and 7.10% are 65 or older.

- Acton
- Arlington
- Ashby
- Ashland
- Ayer
*-- Fort Devens (former U.S. Army base in Ayer -- also known as "Devens")*- Bedford
- Belmont
- Billerica
*-- Pinehurst (a part of Billerica)*- Boxborough
- Burlington
- Cambridge
- Carlisle
- Chelmsford
- Concord
*-- West Concord (a part of Concord)*- Dracut
- Dunstable
- East Pepperell
- Everett
- Framingham
- Groton
- Holliston
- Hopkinton
- Hudson
- Lexington
- Lincoln
- Littleton
*-- Littleton Common (a village of Littleton)*- Lowell
- Malden
- Marlborough
- Maynard
- Medford
- Melrose
- Natick
- Newton
*-- Auburndale** (a village of Newton)**-- Chestnut Hill** (a village of Newton and Brookline, Massachusetts)**-- Newton Centre** (a village of Newton)**-- Newton Highlands** (a village of Newton)**-- Newton Lower Falls** (a village of Newton)**-- Newton Upper Falls** (a village of Newton)**-- Newtonville** (a village of Newton)**-- Nonantum** (a village of Newton)**-- Waban** (a village of Newton)*- North Reading
- Pepperell
- Reading
- Sherborn
- Shirley
- Somerville
- Stoneham
- Stow
- Sudbury
- Tewksbury
- Townsend
- Tyngsborough
- Wakefield
- Waltham
- Watertown
- Wayland
*-- Cochituate (a part of Wayland)*- Westford
- Weston
- Wilmington
- Winchester
- Woburn