Quincy, MA 02171 ZIP Code Profile


ZIP Code 02171: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Quincy, MA 02171

Acceptable Alternative
North Quincy, MA 02171
Squantum, MA 02171

Not Acceptable, USPS
Marina Bay, MA 02171
N Quincy, MA 02171
No Quincy, MA 02171
Norfolk Downs, MA 02171

  • ZIP Code Type: STANDARD
  • County: Norfolk County
  • Centroid: Latitude 42.285, Longitude -71.025
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 465
  • PO Box Addresses: 154
  • Residential Addresses: 8,489
    • Multi-Family Addresses: 3,518
    • Single Family Addresses: 4,971

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic 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 demographic data.


02171 ZIP Code Map

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Quincy, MA 02171 Data & Demographics (As of July 1, 2017)


Total Population 18,882
Daytime Population: Workers 5,724
Daytime Population: Residents 8,081
Total Daytime Population (TDP) 13,805
Ratio TDP/Total Population1 0.73
Population in Households 18,766
Population in Familes 13,363
Population in Group Qrtrs 116
Population Density2 7,369
Diversity Index3 58


Median Household Income $72,625
Average Household Income $93,767
Per Capita Income $41,364


Total Housing Units 8,776 (100%)
Owner Occupied HU 4,445 (50.6%)
Renter Occupied HU 3,859 (44.0%)
Vacant Housing Units 472 ( 5.4%)
Median Home Value $387,145
Average Home Value $444,713


Total Households 8,304
Average Household Size 2.26
Family Households 4,318
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 0.42% 0.45%
Households 0.23% 0.37%
Families 0.16% 0.34%
Median Household Income   2.6%
Per Capita Income   2.72%

Quincy, MA 02171 - Peer Comparisons by Rank and Percentile

The table below compares 02171 to the other 521 ZIP Codes 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 # 133 75th
Population Density # 67 87th
Diversity Index # 77 85th
Median Household Income # 288 45th
Per Capita Income # 217 59th

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

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