01Location & Geography
Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.
| Primary City | Lynn, MA |
|---|---|
| County | Essex County (FIPS 25009) |
| State | Massachusetts (FIPS 25) |
| Metro Area (MSA) | Boston-Cambridge-Newton, MA-NH Metro Area (14460) |
| Census Region / Division | Northeast Region · New England Division |
| Coordinates | 42.46042, -70.94638 |
| Land / Water Area | 0.248 mi² land · 0.027 mi² water |
02Income & Economics
Distribution of the 1,500 individual tax returns filed in 01901 by adjusted gross income bracket (IRS SOI, 2022).
03Income Over Time
Year-over-year change in 01901's IRS income metrics, 2020–2022.
04Population Trend
Decennial U.S. Census population for the 01901 ZCTA.
05Nearby ZIP Codes — Live Radius Search
Drag the slider to filter ZIP codes by distance from 01901. Powered by the same radius endpoint developers call from the API.
ZIP codes within range of 01901
Lynn and its immediate neighbors, sorted by distance.
Distance from 01901 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 Classification | Non-Unique Zip |
|---|---|
| Facility Type | Post Office |
| Carrier Route Sort | B |
| USPS Finance Number | 244199 |
| City Aliases | Lynn |
07Frequently Asked Questions
What county is ZIP code 01901 in?
ZIP code 01901 is in Essex County, Massachusetts (county FIPS code 25009).
What city is ZIP code 01901?
The primary USPS city for 01901 is Lynn, MA.
What metro area (MSA) is 01901 in?
01901 is part of the Boston-Cambridge-Newton, MA-NH Metro Area (MSA code 14460).
What is the population of ZIP code 01901?
The 2020 Census population of 01901 was 2,794 residents.
What is the median income in ZIP code 01901?
Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 01901 is about $43,902, 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.