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US ZIP Code Profile

ZIP Code 02453
Waltham, Massachusetts

ZIP code 02453 is in Waltham, located in Middlesex County, Massachusetts, within the Boston-Cambridge-Newton metro area. Its 2020 Census population was 31,854. The estimated median adjusted gross income per tax return is $61,512, and about 10% of filers report $200,000 or more.

2020 Population
31,854
Census ZCTA
County
Middlesex
FIPS 25017
Median income (est.)
$61,512
IRS SOI 2022
Land Area
3.508 mi²
+ 0.279 mi² water

01Location & Geography

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

Primary CityWaltham, MA
CountyMiddlesex County (FIPS 25017)
StateMassachusetts (FIPS 25)
Metro Area (MSA)Boston-Cambridge-Newton, MA-NH Metro Area (14460)
Census Region / DivisionNortheast Region · New England Division
Coordinates42.36954, -71.24052
Land / Water Area3.508 mi² land · 0.279 mi² water

02Income & Economics

Distribution of the 14,990 individual tax returns filed in 02453 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
22.6%
$25K–$50K
19.7%
$50K–$75K
16.9%
$75K–$100K
11.8%
$100K–$200K
19.1%
$200K+
10.0%
The $200,000+ bracket accounts for 41% of 02453's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($61,512) 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 02453's IRS income metrics, 2020–2022.

Median income (2021→2022)
$61,512
▲ 5.3%
Filers earning $200K+
10.0%
▲ 0.6 pt
Total filers
14,990
▲ 2.8%
GET /zipc/v2/zipcodes/02453/soi?year=… $54K 2020 $58K 2021 $62K 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 02453 ZCTA.

2000
29,119
 
2010
28,968
▼ -0.5%
2020
31,854
▲ +10.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 02453. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 02453

Waltham and its immediate neighbors, sorted by distance.

3 mi
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Distance from 02453 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 SortB
USPS Finance Number240019
City AliasesSouth Waltham, Waltham

07Frequently Asked Questions

What county is ZIP code 02453 in?

ZIP code 02453 is in Middlesex County, Massachusetts (county FIPS code 25017).

What city is ZIP code 02453?

The primary USPS city for 02453 is Waltham, MA.

What metro area (MSA) is 02453 in?

02453 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).

What is the population of ZIP code 02453?

The 2020 Census population of 02453 was 31,854 residents.

What is the median income in ZIP code 02453?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 02453 is about $61,512, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.