Weather right now
Asking the National Weather Service…
Where 08620 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 08620 into a pocket calculator and turn it upside down: OZgBO — not quite a word, sorry.
- ➕ As a number, 8,620 = 2 × 2 × 5 × 431. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000110101100 - 🏠 Its numerical neighbours: 08619 (Trenton, NJ, 6 mi away) and 08625 (Trenton, NJ, 8 mi away).
- 🔄 Backwards, 08620 becomes 02680, which is not a ZIP code at all.
- 👥 30 other ZIP codes are made of exactly the same digits (00682, 02806, 02860, 06028, 06082, 06280, …). The farthest-flung twin is 86002 in Flagstaff, AZ, 2,037 miles away.
- 🧭 Farther north than 58% of all ZIP codes, and farther east than 88%.
- 🎯1,263 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 08620 and you would come out at 40.17°S, 105.35°E — 816 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
- 📏 At 9.0 square miles of land, 08620 is bigger than 26% of ZIP codes — room for about 6.8 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 11,621This ZIP11,621 |
|---|---|
| Households | 4,187This ZIP4,187 |
| Housing units | 4,312This ZIP4,312 |
| Median age | 42.7This ZIP42.7New Jersey40.1US 38.9 |
| Median household income | $105,368This ZIP$105,368New Jersey$103,556US $80,734 |
| Median home value | $373,800This ZIP$373,800New Jersey$454,400US $332,700 |
| Median gross rent | $1,640This ZIP$1,640New Jersey$1,720US $1,413 |
| Bachelor's degree or higher | 31.3%This ZIP31.3% |
| Mean commute | 29.6 minThis ZIP29.6 min |
| Population density | 1,290.1 / sq miThis ZIP1,290.1 / sq mi |
Business and tax activity
| Business establishments | 172This ZIP172 |
|---|---|
| Employees | 1,756This ZIP1,756 |
| Annual payroll | $84,335,000This ZIP$84,335,000 |
| Tax returns filed | 6,230This ZIP6,230 |
| Total adjusted gross income | $605,754,000This ZIP$605,754,000 |
Land area
| Land area | 9.01 sq miThis ZIP9.01 sq mi |
|---|---|
| Water area | 0.11 sq miThis ZIP0.11 sq mi |
Counties 08620 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Mercer County | 87.5% |
| Burlington County | 12.5% |
Other place names in 08620
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 08620
| ZIP | City | Distance |
|---|---|---|
08515 | Chesterfield, NJ | 3.6 mi |
08691 | Trenton, NJ | 3.7 mi |
08610 | Trenton, NJ | 3.8 mi |
08505 | Bordentown, NJ | 3.8 mi |
08690 | Trenton, NJ | 3.9 mi |
08611 | Trenton, NJ | 4.8 mi |
08501 | Allentown, NJ | 5.2 mi |
08629 | Trenton, NJ | 5.5 mi |
08619 | Trenton, NJ | 5.5 mi |
08644 | Trenton, NJ | 5.8 mi |
Find every ZIP code within 10 miles of 08620 →
Questions about this ZIP code
Where is ZIP code 08620?
08620 is in Trenton, New Jersey, in Mercer County, part of the Trenton-Princeton, NJ metropolitan area. Its published point location is 40.1701, -74.6513.
What county is 08620 in?
08620 spans 2 counties: Mercer County and Burlington County. Most of it falls in Mercer County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 08620?
Trenton uses area codes 609 and 640, from NANPA's telephone records.
What time zone is 08620 in?
08620 uses America/New_York.
How many people live in 08620?
About 11,621 people live in ZIP code 08620, in 4,187 households, at 1,290.1 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 08620?
$105,368 a year, against $103,556 across New Jersey.
What ZIP codes are near 08620?
The closest are 08515 (3.6 mi), 08691 (3.7 mi), 08610 (3.8 mi), 08505 (3.8 mi) and 08690 (3.9 mi).
Is 08620 a PO Box ZIP code?
08620 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “08620 ZIP Code — Trenton, New Jersey (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08620
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/08620.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.