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Where 01605 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 01605 into a pocket calculator and turn it upside down: SOgIO — not quite a word, sorry.
- ➕ As a number, 1,605 = 3 × 5 × 107. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11001000101 - 🏠 Its numerical neighbours: 01604 (Worcester, MA, 3 mi away) and 01606 (Worcester, MA, 2 mi away).
- 🔄 Backwards, 01605 becomes 50610, which is not a ZIP code at all.
- 👥 34 other ZIP codes are made of exactly the same digits (01056, 01506, 01560, 05061, 05601, 06051, …). The farthest-flung twin is 51060 in Ute, IA, 1,220 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther east than 95%.
- 🎯1,400 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 01605 and you would come out at 42.29°S, 108.21°E — 828 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
- 📏 At 5.7 square miles of land, 01605 is bigger than 20% of ZIP codes — room for about 4.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 30,579This ZIP30,579 |
|---|---|
| Households | 11,722This ZIP11,722 |
| Housing units | 12,574This ZIP12,574 |
| Median age | 32.0This ZIP32.0Massachusetts40.0US 38.9 |
| Median household income | $54,642This ZIP$54,642Massachusetts$103,960US $80,734 |
| Median home value | $392,100This ZIP$392,100Massachusetts$562,100US $332,700 |
| Median gross rent | $1,421This ZIP$1,421Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 33.4%This ZIP33.4% |
| Mean commute | 24.0 minThis ZIP24.0 min |
| Population density | 5,408.4 / sq miThis ZIP5,408.4 / sq mi |
Business and tax activity
| Business establishments | 599This ZIP599 |
|---|---|
| Employees | 19,786This ZIP19,786 |
| Annual payroll | $1,427,741,000This ZIP$1,427,741,000 |
| Tax returns filed | 12,520This ZIP12,520 |
| Total adjusted gross income | $714,595,000This ZIP$714,595,000 |
Land area
| Land area | 5.65 sq miThis ZIP5.65 sq mi |
|---|---|
| Water area | 0.13 sq miThis ZIP0.13 sq mi |
Other place names in 01605
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 01605
| ZIP | City | Distance |
|---|---|---|
01613 | Worcester, MA | 0.8 mi |
01606 | Worcester, MA | 1.7 mi |
01601 | Worcester, MA | 2.0 mi |
01614 | Worcester, MA | 2.0 mi |
01615 | Worcester, MA | 2.0 mi |
01608 | Worcester, MA | 2.0 mi |
01609 | Worcester, MA | 2.2 mi |
01604 | Worcester, MA | 2.7 mi |
01610 | Worcester, MA | 3.1 mi |
01602 | Worcester, MA | 3.5 mi |
Find every ZIP code within 10 miles of 01605 →
Questions about this ZIP code
Where is ZIP code 01605?
01605 is in Worcester, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.2897, -71.7878.
What county is 01605 in?
01605 lies in Worcester County.
What area code is 01605?
Worcester uses area codes 508 and 774, from NANPA's telephone records.
What time zone is 01605 in?
01605 uses America/New_York.
How many people live in 01605?
About 30,579 people live in ZIP code 01605, in 11,722 households, at 5,408.4 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 01605?
$54,642 a year, against $103,960 across Massachusetts.
What ZIP codes are near 01605?
The closest are 01613 (0.8 mi), 01606 (1.7 mi), 01601 (2 mi), 01614 (2 mi) and 01615 (2 mi).
Is 01605 a PO Box ZIP code?
01605 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “01605 ZIP Code — Worcester, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01605
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/01605.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.