Quincy, MA Profile: Facts, Map & Data


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Quincy, Massachusetts - Basic Facts

The City of Quincy is the 8th largest city in Massachusetts with a population of 95,243 as of July 1, 2016. Quincy 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 Quincy is located at latitude 42.261 and longitude -71.009 in Norfolk County. The formal boundaries for the City of Quincy (see map below) encompass a land area of 16.57 sq. miles and a water area of 10.34 sq. miles. Norfolk County is in the Eastern time zone (GMT -5). The elevation is 30 feet.

The City of Quincy (GNIS ID: 619461) 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 Quincy population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

Alternate Unofficial Names for Quincy: Braintree, Brantree, City Presidents.

Neighborhood Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting certain data.


City of Quincy, MA Boundary Map

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Boundary Maps: Norfolk County | Massachusetts Counties

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Quincy, MA Data & Demographics (As of July 1, 2016)


Total Population 95,243
Population in Households 93,798
Population in Familes 66,134
Population in Group Qrtrs 1,445
Population Density1 5,748
Diversity Index2 58


Total Households 41,580
Average Household Size 2.26
Family Households 21,419
Average Family Size 3


Total Housing Units 43,790 (100%)
Owner Occupied HU 19,057 (43.5%)
Renter Occupied HU 22,523 (51.4%)
Vacant Housing Units 2,210 ( 5.0%)
Median Home Value $366,827
Average Home Value $398,048


Median Household Income $63,907
Average Household Income $84,307
Per Capita Income $37,090
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.51% 0.57%
Households 0.36% 0.5%
Families 0.25% 0.44%
Median Household Income   2.26%
Per Capita Income   1.51%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Quincy, MA - Peer Comparisons by Rank and Percentile

The table below compares Quincy to the other 246 incorporated cities, towns and CDPs in Massachusetts by rank and percentile using July 1, 2016 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 # 8 97th
Population Density1 # 17 93rd
Diversity Index2 # 26 90th
Median Household Income # 147 41st
Per Capita Income # 124 50th

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