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US ZIP Code Profile

ZIP Code 02124
Dorchester Center, Massachusetts

ZIP code 02124 is in Dorchester Center, located in Suffolk County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 50,972. The estimated median adjusted gross income per tax return is $43,173, and about 4% of filers report $200,000 or more.

2020 Population
50,972
Census ZCTA
County
Suffolk
FIPS 25025
Median income (est.)
$43,173
IRS SOI 2022
Land Area
2.995 mi²
+ 0.078 mi² water

01Location & Geography

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

Primary CityDorchester Center, 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
Coordinates42.285805, -71.07057
Land / Water Area2.995 mi² land · 0.078 mi² water

02Income & Economics

Distribution of the 24,930 individual tax returns filed in 02124 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.7%
$25K–$50K
26.5%
$50K–$75K
17.3%
$75K–$100K
9.5%
$100K–$200K
11.9%
$200K+
4.0%
The $200,000+ bracket accounts for 22% of 02124's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($43,173) 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 02124's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,173
▲ 4.9%
Filers earning $200K+
4.0%
▲ 0.5 pt
Total filers
24,930
▼ 0.3%
GET /zipc/v2/zipcodes/02124/soi?year=… $39K 2020 $41K 2021 $43K 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 02124 ZCTA.

2000
50,781
 
2010
47,783
▼ -5.9%
2020
50,972
▲ +6.7%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02124. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02124

Dorchester Center and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 02124 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 SortD
USPS Finance Number240799
City AliasesBoston, Dorchester, Dorchester Center, Dorchestr Ctr

07Frequently Asked Questions

What county is ZIP code 02124 in?

ZIP code 02124 is in Suffolk County, Massachusetts (county FIPS code 25025).

What city is ZIP code 02124?

The primary USPS city for 02124 is Dorchester Center, MA.

What metro area (MSA) is 02124 in?

02124 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02124?

The 2020 Census population of 02124 was 50,972 residents.

What is the median income in ZIP code 02124?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02124 is about $43,173, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.