Get API Key →
US ZIP Code Profile

ZIP Code 02343
Holbrook, Massachusetts

ZIP code 02343 is in Holbrook, located in Norfolk County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 11,364. The estimated median adjusted gross income per tax return is $59,681, and about 5% of filers report $200,000 or more.

2020 Population
11,364
Census ZCTA
County
Norfolk
FIPS 25021
Median income (est.)
$59,681
IRS SOI 2022
Land Area
7.01 mi²
+ 0.108 mi² water

01Location & Geography

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

Primary CityHolbrook, 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
Coordinates42.140347, -70.99786
Land / Water Area7.01 mi² land · 0.108 mi² water

02Income & Economics

Distribution of the 6,010 individual tax returns filed in 02343 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
24.1%
$25K–$50K
19.3%
$50K–$75K
17.0%
$75K–$100K
11.7%
$100K–$200K
22.5%
$200K+
5.5%
The $200,000+ bracket accounts for 21% of 02343's total adjusted gross income, from 5% of returns — a concentration that drives the gap between the median ($59,681) 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 02343's IRS income metrics, 2020–2022.

Median income (2021→2022)
$59,681
▲ 6.5%
Filers earning $200K+
5.5%
▲ 1.2 pt
Total filers
6,010
▼ 0.7%
GET /zipc/v2/zipcodes/02343/soi?year=… $50K 2020 $56K 2021 $60K 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 02343 ZCTA.

2000
10,738
 
2010
10,745
▲ +0.1%
2020
11,364
▲ +5.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02343. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02343

Holbrook and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 02343 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 TypePost Office
Carrier Route SortD
USPS Finance Number243502
City AliasesHolbrook

07Frequently Asked Questions

What county is ZIP code 02343 in?

ZIP code 02343 is in Norfolk County, Massachusetts (county FIPS code 25021).

What city is ZIP code 02343?

The primary USPS city for 02343 is Holbrook, MA.

What metro area (MSA) is 02343 in?

02343 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02343?

The 2020 Census population of 02343 was 11,364 residents.

What is the median income in ZIP code 02343?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02343 is about $59,681, 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.