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US ZIP Code Profile

ZIP Code 02122
Dorchester, Massachusetts

ZIP code 02122 is in Dorchester, located in Suffolk County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 24,385. The estimated median adjusted gross income per tax return is $47,797, and about 5% of filers report $200,000 or more.

2020 Population
24,385
Census ZCTA
County
Suffolk
FIPS 25025
Median income (est.)
$47,797
IRS SOI 2022
Land Area
2.035 mi²
+ 0.63 mi² water

01Location & Geography

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

Primary CityDorchester, MA
CountySuffolk County (FIPS 25025)
StateMassachusetts (FIPS 25)
Metro Area (MSA)Boston-Cambridge-Newton, MA-NH Metro Area (14460)
Census Region / DivisionNortheast Region · New England Division
Coordinates42.291412, -71.04216
Land / Water Area2.035 mi² land · 0.63 mi² water

02Income & Economics

Distribution of the 12,360 individual tax returns filed in 02122 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
28.2%
$25K–$50K
23.9%
$50K–$75K
17.3%
$75K–$100K
10.8%
$100K–$200K
14.6%
$200K+
5.2%
The $200,000+ bracket accounts for 24% of 02122's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($47,797) 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 02122's IRS income metrics, 2020–2022.

Median income (2021→2022)
$47,797
▲ 6.6%
Filers earning $200K+
5.2%
▲ 0.5 pt
Total filers
12,360
▲ 0.8%
GET /zipc/v2/zipcodes/02122/soi?year=… $41K 2020 $45K 2021 $48K 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 02122 ZCTA.

2000
24,548
 
2010
23,479
▼ -4.4%
2020
24,385
▲ +3.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02122. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02122

Dorchester and its immediate neighbors, sorted by distance.

3 mi
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Distance from 02122 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortB
USPS Finance Number240799
City AliasesBoston, Dorchester

07Frequently Asked Questions

What county is ZIP code 02122 in?

ZIP code 02122 is in Suffolk County, Massachusetts (county FIPS code 25025).

What city is ZIP code 02122?

The primary USPS city for 02122 is Dorchester, MA.

What metro area (MSA) is 02122 in?

02122 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02122?

The 2020 Census population of 02122 was 24,385 residents.

What is the median income in ZIP code 02122?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02122 is about $47,797, with around 5% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.