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Where 02115 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 02115 into a pocket calculator and turn it upside down: SIIZO — not quite a word, sorry.
- ➕ As a number, 2,115 = 3 × 3 × 5 × 47. Its digits add up to 9, a total 375 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001000011 - 🏠 Its numerical neighbours: 02114 (Boston, MA, 2 mi away) and 02116 (Boston, MA, 1 mi away).
- 🔄 Backwards, 02115 becomes 51120, which is not a ZIP code at all.
- 👥 37 other ZIP codes are made of exactly the same digits (01152, 01521, 02151, 10125, 10152, 10512, …). The farthest-flung twin is 51102 in Sioux City, IA, 1,283 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther east than 96%.
- 🎯1,436 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 02115 and you would come out at 42.34°S, 108.91°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 0.711 square miles of land, 02115 is bigger than 7% of ZIP codes — about 344 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 29,705This ZIP29,705 |
|---|---|
| Households | 9,873This ZIP9,873 |
| Housing units | 11,514This ZIP11,514 |
| Median age | 21.7This ZIP21.7Massachusetts40.0US 38.9 |
| Median household income | $54,991This ZIP$54,991Massachusetts$103,960US $80,734 |
| Median home value | $945,100This ZIP$945,100Massachusetts$562,100US $332,700 |
| Median gross rent | $2,039This ZIP$2,039Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 66.8%This ZIP66.8% |
| Mean commute | 22.1 minThis ZIP22.1 min |
| Population density | 41,779.2 / sq miThis ZIP41,779.2 / sq mi |
Business and tax activity
| Business establishments | 692This ZIP692 |
|---|---|
| Employees | 69,781This ZIP69,781 |
| Annual payroll | $6,001,651,000This ZIP$6,001,651,000 |
| Tax returns filed | 7,190This ZIP7,190 |
| Total adjusted gross income | $1,533,939,000This ZIP$1,533,939,000 |
Land area
| Land area | 0.71 sq miThis ZIP0.71 sq mi |
|---|---|
| Water area | 0.00 sq miThis ZIP0.00 sq mi |
Other place names in 02115
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 02115
| ZIP | City | Distance |
|---|---|---|
02120 | Roxbury Crossing, MA | 0.5 mi |
02215 | Boston, MA | 0.7 mi |
02199 | Boston, MA | 0.8 mi |
02119 | Roxbury, MA | 1.2 mi |
02447 | Brookline Village, MA | 1.2 mi |
02116 | Boston, MA | 1.2 mi |
02118 | Boston, MA | 1.3 mi |
02446 | Brookline, MA | 1.4 mi |
02139 | Cambridge, MA | 1.6 mi |
02142 | Cambridge, MA | 1.7 mi |
Find every ZIP code within 10 miles of 02115 →
Questions about this ZIP code
Where is ZIP code 02115?
02115 is in Boston, Massachusetts, in Suffolk County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.3394, -71.0945.
What county is 02115 in?
02115 lies in Suffolk County.
What area code is 02115?
Boston uses area codes 617 and 857, from NANPA's telephone records.
What time zone is 02115 in?
02115 uses America/New_York.
How many people live in 02115?
About 29,705 people live in ZIP code 02115, in 9,873 households, at 41,779.2 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 02115?
$54,991 a year, against $103,960 across Massachusetts.
What ZIP codes are near 02115?
The closest are 02120 (0.5 mi), 02215 (0.7 mi), 02199 (0.8 mi), 02119 (1.2 mi) and 02447 (1.2 mi).
Is 02115 a PO Box ZIP code?
02115 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “02115 ZIP Code — Boston, Massachusetts (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02115
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/02115.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.