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Middlesex County, Massachusetts locator map According to the United States Census Bureau, Cambridge is a City that is located in Middlesex County, Massachusetts at 42.38 degrees North and 71.11 degrees West.  The city's time zone is America/New York, and the city's primary telephone area code is 857.  The land area of Cambridge is about 6.39 square miles, whereas the water area of the city is about 0.72 square miles.  Middlesex County's land area is about 818 square miles, so the city occupies about 0.8 percent of the county's total land area.

The Census Bureau estimates that Cambridge had about 118,927 residents in 2019, which is approximately 18,611 people per square mile of land area. 

According to recent American Community Survey data, the median household income in Cambridge was about $103,154 per year.  This Cambridge Real Estate directory lists real estate solution providers in Cambridge, Massachusetts. 

The Massachusetts counties map at upper right shows Middlesex County, highlighted in red.  Use the menu below to display interactive maps of Cambridge, either in a frame on this page or in full-screen mode. 

Use the menu below to display categorized Cambridge directories. 

Cambridge Products and Services Directory

Selected Cambridge, Massachusetts Listings

These randomly selected Cambridge listings provide some insight into the city's cultural environment and economic climate.

241 Optical
  • Optical Goods Retail
  • Contact Lenses
Alliance Environmental Group
  • Engineers
  • Environmental Engineers
Bambara Restaurant
  • Banquet Facilities
  • American Restaurants
Black River Architects Inc
  • Building & Home Construction
  • Architects
  • Architectural Services
C SP Associates
  • Aerospace Research & Development
Cambridge Energy Solutions
  • Computer Software
Cambridge School-Culinary Arts
  • Caterers
  • Vocational Education
  • Junior Colleges & Technical Institutes
Fire & Ice
  • Fire Departments
Garden Nursery School
  • Elementary & Secondary Education
  • Elementary Schools
  • Preschools & Kindergartens
Harvard Radio Broadcasting Inc
  • Radio Stations
HULT International Business School
  • Business Colleges
John J Ratey MD
  • Psychiatry Physicians
Mitsubishi Electric Research
  • Auto Dealers
  • Computer & Equipment Dealers
Pinocchio's Pizza & Subs
  • Pizza Restaurants
Robert Megerdichian & Associates
  • Engineers
  • Engineering Services

Nearby Massachusetts Cities and Towns *

  • Arlington (10) - Arlington, Massachusetts demographics and directory.
  • Belmont (5) - Belmont, Massachusetts demographics and maps.
  • Boston (96) - Boston, Massachusetts products & services directory.
  • Brookline (11) - Brookline, Massachusetts demographics and directory.
  • Malden (3) - Malden, Massachusetts information and maps.
  • Medford (6) - Medford, Massachusetts demographics and maps.
  • Somerville (9) - Somerville, Massachusetts demographics and directory.

Large and Mid-size Cities in Nearby States

* Parenthesized numbers indicate economic activity levels.

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