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Where 02111 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 02111 into a pocket calculator and turn it upside down: IIIZO — not quite a word, sorry.
- ➕ 02111 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 5, a total 55 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100000111111 - 🏠 Its numerical neighbours: 02110 (Boston, MA, 1 mi away) and 02112 (Boston, MA, 1 mi away).
- 🔄 Backwards, 02111 becomes 11120 — and that is a real ZIP code: Long Island City, NY, 186 miles away.
- 👥 10 other ZIP codes are made of exactly the same digits (10112, 10121, 10211, 11021, 11102, 11120, …). The farthest-flung twin is 20111 in Manassas, VA, 417 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther east than 96%.
- 🎯1,437 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 02111 and you would come out at 42.35°S, 108.94°E — 813 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 04m.
- 📏 At 0.196 square miles of land, 02111 is bigger than 2% of ZIP codes — about 95 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,407This ZIP8,407 |
|---|---|
| Households | 3,711This ZIP3,711 |
| Housing units | 4,648This ZIP4,648 |
| Median age | 33.9This ZIP33.9Massachusetts40.0US 38.9 |
| Median household income | $87,404This ZIP$87,404Massachusetts$103,960US $80,734 |
| Median home value | $1,033,500This ZIP$1,033,500Massachusetts$562,100US $332,700 |
| Median gross rent | $1,926This ZIP$1,926Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 57.5%This ZIP57.5% |
| Mean commute | 20.9 minThis ZIP20.9 min |
| Population density | 42,892.9 / sq miThis ZIP42,892.9 / sq mi |
Business and tax activity
| Business establishments | 938This ZIP938 |
|---|---|
| Employees | 36,744This ZIP36,744 |
| Annual payroll | $4,795,198,000This ZIP$4,795,198,000 |
| Tax returns filed | 3,700This ZIP3,700 |
| Total adjusted gross income | $967,486,000This ZIP$967,486,000 |
Land area
| Land area | 0.20 sq miThis ZIP0.20 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 02111
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 02111
| ZIP | City | Distance |
|---|---|---|
02205 | Boston, MA | 0.3 mi |
02108 | Boston, MA | 0.4 mi |
02112 | Boston, MA | 0.5 mi |
02196 | Boston, MA | 0.5 mi |
02201 | Boston, MA | 0.5 mi |
02211 | Boston, MA | 0.5 mi |
02212 | Boston, MA | 0.5 mi |
02241 | Boston, MA | 0.5 mi |
02266 | Boston, MA | 0.5 mi |
02293 | Boston, MA | 0.5 mi |
Find every ZIP code within 10 miles of 02111 →
Questions about this ZIP code
Where is ZIP code 02111?
02111 is in Boston, Massachusetts, in Suffolk County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.3507, -71.0605.
What county is 02111 in?
02111 lies in Suffolk County.
What area code is 02111?
Boston uses area codes 617 and 857, from NANPA's telephone records.
What time zone is 02111 in?
02111 uses America/New_York.
How many people live in 02111?
About 8,407 people live in ZIP code 02111, in 3,711 households, at 42,892.9 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 02111?
$87,404 a year, against $103,960 across Massachusetts.
What ZIP codes are near 02111?
The closest are 02205 (0.3 mi), 02108 (0.4 mi), 02112 (0.5 mi), 02196 (0.5 mi) and 02201 (0.5 mi).
Is 02111 a PO Box ZIP code?
02111 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “02111 ZIP Code — Boston, Massachusetts (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02111
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/02111.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.