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Where 08609 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 08609 into a pocket calculator and turn it upside down: GOgBO — not quite a word, sorry.
- ➕ 08609 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000110100001 - 🏠 Its numerical neighbours: 08608 (Trenton, NJ, 1 mi away) and 08610 (Trenton, NJ, 3 mi away).
- 🔄 Backwards, 08609 becomes 90680 — and that is a real ZIP code: Stanton, CA, 2,403 miles away.
- 👥 29 other ZIP codes are made of exactly the same digits (00698, 00968, 00986, 06089, 06098, 06890, …). The farthest-flung twin is 09680 in APO AE, a military post office, 6,636 miles away.
- 🧭 Farther north than 58% of all ZIP codes, and farther east than 88%.
- 🎯1,258 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 08609 and you would come out at 40.23°S, 105.26°E — 822 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
- 📏 At 1.3 square miles of land, 08609 is bigger than 9% of ZIP codes — about 637 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 15,938This ZIP15,938 |
|---|---|
| Households | 4,880This ZIP4,880 |
| Housing units | 5,248This ZIP5,248 |
| Median age | 33.4This ZIP33.4New Jersey40.1US 38.9 |
| Median household income | $68,238This ZIP$68,238New Jersey$103,556US $80,734 |
| Median home value | $103,700This ZIP$103,700New Jersey$454,400US $332,700 |
| Median gross rent | $1,391This ZIP$1,391New Jersey$1,720US $1,413 |
| Bachelor's degree or higher | 8.2%This ZIP8.2% |
| Mean commute | 24.9 minThis ZIP24.9 min |
| Population density | 12,110.9 / sq miThis ZIP12,110.9 / sq mi |
Business and tax activity
| Business establishments | 216This ZIP216 |
|---|---|
| Employees | 2,163This ZIP2,163 |
| Annual payroll | $125,189,000This ZIP$125,189,000 |
| Tax returns filed | 6,100This ZIP6,100 |
| Total adjusted gross income | $215,223,000This ZIP$215,223,000 |
Land area
| Land area | 1.32 sq miThis ZIP1.32 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 08609
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 08609
| ZIP | City | Distance |
|---|---|---|
08644 | Trenton, NJ | 0.6 mi |
08629 | Trenton, NJ | 0.6 mi |
08608 | Trenton, NJ | 1.4 mi |
08638 | Trenton, NJ | 2.3 mi |
08610 | Trenton, NJ | 2.6 mi |
08619 | Trenton, NJ | 2.6 mi |
08611 | Trenton, NJ | 2.9 mi |
08618 | Trenton, NJ | 3.1 mi |
08543 | Princeton, NJ | 4.1 mi |
08601 | Trenton, NJ | 4.1 mi |
Find every ZIP code within 10 miles of 08609 →
Questions about this ZIP code
Where is ZIP code 08609?
08609 is in Trenton, New Jersey, in Mercer County, part of the Trenton-Princeton, NJ metropolitan area. Its published point location is 40.2257, -74.7409.
What county is 08609 in?
08609 lies in Mercer County.
What area code is 08609?
Trenton uses area codes 609 and 640, from NANPA's telephone records.
What time zone is 08609 in?
08609 uses America/New_York.
How many people live in 08609?
About 15,938 people live in ZIP code 08609, in 4,880 households, at 12,110.9 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 08609?
$68,238 a year, against $103,556 across New Jersey.
What ZIP codes are near 08609?
The closest are 08644 (0.6 mi), 08629 (0.6 mi), 08608 (1.4 mi), 08638 (2.3 mi) and 08610 (2.6 mi).
Is 08609 a PO Box ZIP code?
08609 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “08609 ZIP Code — Trenton, New Jersey (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08609
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/08609.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.