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US ZIP Code Profile

ZIP Code 02170
Quincy, Massachusetts

ZIP code 02170 is in Quincy, located in Norfolk County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 19,950. The estimated median adjusted gross income per tax return is $52,865, and about 6% of filers report $200,000 or more.

2020 Population
19,950
Census ZCTA
County
Norfolk
FIPS 25021
Median income (est.)
$52,865
IRS SOI 2022
Land Area
2.083 mi²
+ 0.072 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityQuincy, MA
CountyNorfolk County (FIPS 25021)
StateMassachusetts (FIPS 25)
Metro Area (MSA)Boston-Cambridge-Newton, MA-NH Metro Area (14460)
Census Region / DivisionNortheast Region · New England Division
Coordinates42.266415, -71.01558
Land / Water Area2.083 mi² land · 0.072 mi² water

02Income & Economics

Distribution of the 10,700 individual tax returns filed in 02170 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
25.6%
$25K–$50K
22.3%
$50K–$75K
17.9%
$75K–$100K
11.4%
$100K–$200K
16.6%
$200K+
6.1%
The $200,000+ bracket accounts for 27% of 02170's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($52,865) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 02170's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,865
▲ 6.7%
Filers earning $200K+
6.1%
▲ 0.5 pt
Total filers
10,700
▲ 2.0%
GET /zipc/v2/zipcodes/02170/soi?year=… $45K 2020 $50K 2021 $53K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 02170 ZCTA.

2000
19,373
 
2010
19,505
▲ +0.7%
2020
19,950
▲ +2.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02170. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02170

Quincy and its immediate neighbors, sorted by distance.

3 mi
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Distance from 02170 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number240045
City AliasesQuincy, Wollaston

07Frequently Asked Questions

What county is ZIP code 02170 in?

ZIP code 02170 is in Norfolk County, Massachusetts (county FIPS code 25021).

What city is ZIP code 02170?

The primary USPS city for 02170 is Quincy, MA.

What metro area (MSA) is 02170 in?

02170 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02170?

The 2020 Census population of 02170 was 19,950 residents.

What is the median income in ZIP code 02170?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02170 is about $52,865, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.