ZIP code 08550
Where is ZIP code 08550?
Princeton Junction, New Jersey
Mercer County · Standard ZIP code
ZIP code 08550 belongs to Princeton Junction, New Jersey in Mercer County. 08550 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 609 and 640. About 21,067 people live in the 08550 area, where the median household income is $224,213. The closest ZIP codes are 08690 (Trenton, 2.3 mi south), 08619 (Trenton, 2.9 mi southwest) and 08543 (Princeton, 3.3 mi west).
| ZIP code | 08550 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Princeton Junction |
| Also accepted | Princeton Jct, West Windsor |
| State | New Jersey (NJ) |
| County | Mercer County |
| Time zone | Eastern Time · now |
| Area codes | 609, 640 |
| Coordinates | 40.2669, -74.6511 map |
| 3-digit prefix | 085 |
Population and income in 08550
| Population | 21,067 · higher than 73% of New Jersey ZIP codes |
|---|---|
| People per square mile | 1,101 · lower than 63% of New Jersey ZIP codes |
| Median age | 45.4 years · higher than 71% of New Jersey ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $224,213 · higher than 95% of New Jersey ZIP codes |
| Income per person | $100,495 |
| Below the poverty line | 2.5% |
| Bachelor’s degree or higher | 86% of adults 25+ |
| Median home value | $807,200 · higher than 88% of New Jersey ZIP codes |
| Median rent | $2,584 a month |
| Housing units | 7,941 |
| Households | 7,817 (2.69 people on average) |
| Owners / renters | 76% / 24% |
| Land area | 19.13 sq mi (plus 0.59 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 08550. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 08550
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 08690 | Trenton, NJ | 2.3 mi S | Standard |
| 08619 | Trenton, NJ | 2.9 mi SW | Standard |
| 08543 | Princeton, NJ | 3.3 mi W | PO Box only |
| 08601 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08602 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08603 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08604 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08605 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08606 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08607 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08625 | Trenton, NJ | 3.3 mi W | PO Box only |
| 08645 | Trenton, NJ | 3.3 mi W | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 08550 or measure the distance to another ZIP code.
How to address mail to 08550
123 MAIN ST
PRINCETON JUNCTION NJ 08550
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts PRINCETON JCT and WEST WINDSOR as the city name for 08550. Avoid W Windsor, W Windsor Township and West Win Tow: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (08550-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 08550?
- 08550 is a Princeton Junction, New Jersey ZIP code. Princeton Jct and West Windsor are also accepted as the city name.
- What county is 08550 in?
- ZIP code 08550 is in Mercer County, New Jersey.
- What time zone is ZIP code 08550 in?
- 08550 is in the Eastern Time zone (America/New_York).
- What area code is 08550?
- Phone numbers in ZIP code 08550 use area codes 609 and 640.
- What is the population of ZIP code 08550?
- About 21,067 people live in ZIP code 08550, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 08550?
- The median household income in 08550 is $224,213 a year, higher than 95% of New Jersey ZIP codes.
- What ZIP codes are near 08550?
- The nearest ZIP codes to 08550 are 08690 (Trenton, 2.3 miles), 08619 (Trenton, 2.9 miles), 08543 (Princeton, 3.3 miles) and 08601 (Trenton, 3.3 miles).