Cambridge, MA Profile: Facts & Data


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Cambridge, Massachusetts - Basic Facts

The City of Cambridge is the 4th largest city in Massachusetts with a population of 116,577 as of July 1, 2018. Cambridge ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Massachusetts. See peer rankings below.

The primary coordinate point for Cambridge is located at latitude 42.3751 and longitude -71.1056 in Middlesex County. The formal boundaries for the City of Cambridge encompass a land area of 6.39 sq. miles and a water area of 0.72 sq. miles. Middlesex County is in the Eastern time zone (GMT -5). The elevation is 16 feet.

The City of Cambridge (GNIS ID: 619396) has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Alternate Unofficial Names for Cambridge: Mishawum, New Town, New Towne, Newtown, Newtowne, Old Cambridge.

Jump to... (On This Page!)
  1. Cambridge 2018 Demographic Data
  2. Growth Rates for Cambridge (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Massachusetts Research Tools (Easy Tools & Current Data)
  3. Massachusetts Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Cambridge, MA Data & Demographics (As of July 1, 2018)


Total Population 116,577
Population in Households 99,066
Population in Familes 54,702
Population in Group Qrtrs 17,511
Population Density2 18,244
Diversity Index3 66


Median Household Income $84,738
Average Household Income $123,407
Per Capita Income $53,999


Total Housing Units 52,490 (100%)
Owner Occupied HU 15,311 (29.2%)
Renter Occupied HU 33,729 (64.3%)
Vacant Housing Units 3,450 ( 6.6%)
Median Home Value $705,685
Average Home Value $850,495


Total Households 49,040
Average Household Size 2.02
Family Households 19,456
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 1.26% 1.24%
Households 1.31% 1.29%
Families 1.35% 1.34%
Median Household Income   3.69%
Per Capita Income   3.15%

Cambridge, MA - Peer Comparisons by Rank and Percentile

The table below compares Cambridge to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 4 99th
Population Density # 2 100th
Diversity Index # 18 93rd
Median Household Income # 86 65th
Per Capita Income # 49 80th

Additional comparisons and rankings can be made with a VERY EASY TO USE Massachusetts Census Data Comparison Tool.

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Massachusetts Census Data Comparison Tool

Compare Massachusetts July 1, 2018 Data
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