Cambridge Flag

Cambridge

County Seat:
No
Area (mi²):
6.397
State:
Massachusetts

Cambridge is a city located in Middlesex County, Massachusetts. Cambridge has a 2025 population of 121,931 . Cambridge is currently growing at a rate of 0.61% annually and its population has increased by 3.15% since the most recent census, which recorded a population of 118,204 in 2020.

The average household income in Cambridge is $178,202 with a poverty rate of 12.45%. The median age in Cambridge is 30.5 years: 30.1 years for males, and 31 years for females. For every 100 females there are 99.5 males.

121.9K
Total Population
19,061
Density (mi²)
745 0.61%
Growth

Cambridge Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)