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US ZIP Code Profile

ZIP Code 02301
Brockton, Massachusetts

ZIP code 02301 is in Brockton, located in Plymouth County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 69,418. The estimated median adjusted gross income per tax return is $40,888, and about 2% of filers report $200,000 or more.

2020 Population
69,418
Census ZCTA
County
Plymouth
FIPS 25023
Median income (est.)
$40,888
IRS SOI 2022
Land Area
12.443 mi²
+ 0.163 mi² water

01Location & Geography

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

Primary CityBrockton, MA
CountyPlymouth County (FIPS 25023)
StateMassachusetts (FIPS 25)
Metro Area (MSA)Boston-Cambridge-Newton, MA-NH Metro Area (14460)
Census Region / DivisionNortheast Region · New England Division
Coordinates42.07837, -71.042305
Land / Water Area12.443 mi² land · 0.163 mi² water

02Income & Economics

Distribution of the 33,010 individual tax returns filed in 02301 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
30.8%
$25K–$50K
30.3%
$50K–$75K
17.6%
$75K–$100K
9.4%
$100K–$200K
10.2%
$200K+
1.8%
The $200,000+ bracket accounts for 10% of 02301's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($40,888) 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 02301's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,888
▲ 3.8%
Filers earning $200K+
1.8%
▲ 0.3 pt
Total filers
33,010
▲ 1.5%
GET /zipc/v2/zipcodes/02301/soi?year=… $38K 2020 $39K 2021 $41K 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 02301 ZCTA.

2000
61,737
 
2010
61,025
▼ -1.2%
2020
69,418
▲ +13.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02301. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02301

Brockton and its immediate neighbors, sorted by distance.

3 mi
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Distance from 02301 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number240952
City AliasesBrockton

07Frequently Asked Questions

What county is ZIP code 02301 in?

ZIP code 02301 is in Plymouth County, Massachusetts (county FIPS code 25023).

What city is ZIP code 02301?

The primary USPS city for 02301 is Brockton, MA.

What metro area (MSA) is 02301 in?

02301 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02301?

The 2020 Census population of 02301 was 69,418 residents.

What is the median income in ZIP code 02301?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02301 is about $40,888, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.