Cambridge, MA Profile: Facts, Map & Data


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Cambridge, Massachusetts - Basic Facts

The City of Cambridge is the 4th largest city in Massachusetts with a population of 114,866 as of July 1, 2017. 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 42.376 and longitude -71.1187 in Middlesex County. The formal boundaries for the City of Cambridge (see map below) 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.

Beneath the boundary map are tables with Cambridge population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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

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City of Cambridge, MA Boundary Map

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Cambridge, MA Data & Demographics (As of July 1, 2017)


Total Population 114,866
Daytime Population: Workers 112,793
Daytime Population: Residents 48,846
Total Daytime Population (TDP) 161,639
Ratio TDP/Total Population1 1.41
Population in Households 97,371
Population in Familes 52,735
Population in Group Qrtrs 17,495
Population Density2 17,977
Diversity Index3 66


Median Household Income $77,105
Average Household Income $115,752
Per Capita Income $50,675


Total Housing Units 51,634 (100%)
Owner Occupied HU 15,443 (29.9%)
Renter Occupied HU 32,744 (63.4%)
Vacant Housing Units 3,447 ( 6.7%)
Median Home Value $673,303
Average Home Value $731,341


Total Households 48,187
Average Household Size 2.02
Family Households 18,984
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  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.


2010-2017 2017-2022
Population 1.22% 1.04%
Households 1.25% 1.18%
Families 1.19% 1.15%
Median Household Income   4.56%
Per Capita Income   3.38%

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, 2017 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 # 97 61st
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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