Quincy, MA Profile: Facts & Data


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Quincy, Massachusetts - Basic Facts

The City of Quincy is the 8th largest city in Massachusetts with a population of 98,121 as of July 1, 2018. 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.

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

Jump to... (On This Page!)
  1. Quincy 2018 Demographic Data
  2. Growth Rates for Quincy (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.


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


Total Population 98,121
Population in Households 96,721
Population in Familes 68,581
Population in Group Qrtrs 1,400
Population Density2 5,922
Diversity Index3 60


Median Household Income $72,360
Average Household Income $91,209
Per Capita Income $40,024


Total Housing Units 44,754 (100%)
Owner Occupied HU 19,274 (43.1%)
Renter Occupied HU 23,496 (52.5%)
Vacant Housing Units 1,984 ( 4.4%)
Median Home Value $392,021
Average Home Value $445,397


Total Households 42,770
Average Household Size 2.26
Family Households 21,944
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 0.75% 0.63%
Households 0.62% 0.59%
Families 0.48% 0.48%
Median Household Income   2.88%
Per Capita Income   3.34%

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, 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 # 8 97th
Population Density # 17 93rd
Diversity Index # 26 90th
Median Household Income # 139 44th
Per Capita Income # 126 49th

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

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