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zipcodes.pro — ZIP/08542

08542

ZIP 08542 is in Princeton, New Jersey, in Mercer County; area codes 609 and 640; Eastern time. Princeton has 5 ZIP codes; the others are 08540, 08541, 08543 and 08544.

Type
Standard
Time zone
America/New_York
County
Mercer
Population
2,533
Coordinates
40.3545, -74.6606
☼ Live from 08542 — Princeton, NJ

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Local time: —

Where 08542 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.

★ Weird and wonderful facts about 08542
  • 🔢 Type 08542 into a pocket calculator and turn it upside down: ZhSBO — not quite a word, sorry.
  • ➕ As a number, 8,542 = 2 × 4271. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10000101011110
  • 🏠 Its numerical neighbours: 08541 (Princeton, NJ, 0 mi away) and 08543 (Princeton, NJ, 6 mi away).
  • 🔄 Backwards, 08542 becomes 24580 — and that is a real ZIP code: Nelson, VA, 339 miles away.
  • 👥 62 other ZIP codes are made of exactly the same digits (02458, 02584, 04258, 04285, 04852, 05482, …). The farthest-flung twin is 85042 in Phoenix, AZ, 2,106 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 88%.
  • 🎯1,261 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 08542 and you would come out at 40.35°S, 105.34°E — 824 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 0.386 square miles of land, 08542 is bigger than 4% of ZIP codes — about 187 football fields.
🌙 The sky over 08542 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,533This ZIP2,533
Households1,264This ZIP1,264
Housing units1,357This ZIP1,357
Median age37.2This ZIP37.2New Jersey40.1US 38.9
Median household income$105,524This ZIP$105,524New Jersey$103,556US $80,734
Median home value$754,100This ZIP$754,100New Jersey$454,400US $332,700
Median gross rent$2,497This ZIP$2,497New Jersey$1,720US $1,413
Bachelor's degree or higher70.7%This ZIP70.7%
Mean commute20.7 minThis ZIP20.7 min
Population density6,562.2 / sq miThis ZIP6,562.2 / sq mi

Business and tax activity

Business establishments371This ZIP371
Employees4,179This ZIP4,179
Annual payroll$445,689,000This ZIP$445,689,000
Tax returns filed1,760This ZIP1,760
Total adjusted gross income$265,373,000This ZIP$265,373,000

Land area

Land area0.39 sq miThis ZIP0.39 sq mi
Water area0.00 sq mi

Other place names in 08542

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 08542

ZIPCityDistance
08541 Princeton, NJ 0.4 mi
08544 Princeton, NJ 0.6 mi
08540 Princeton, NJ 0.7 mi
08528 Kingston, NJ 3.1 mi
08553 Rocky Hill, NJ 3.4 mi
08536 Plainsboro, NJ 4.2 mi
08504 Blawenburg, NJ 4.3 mi
08558 Skillman, NJ 4.7 mi
08550 Princeton Junction, NJ 5.5 mi
08648 Lawrence Township, NJ 5.7 mi

Find every ZIP code within 10 miles of 08542 →

Questions about this ZIP code

Where is ZIP code 08542?

08542 is in Princeton, New Jersey, in Mercer County, part of the Trenton-Princeton, NJ metropolitan area. Its published point location is 40.3545, -74.6606.

What county is 08542 in?

08542 lies in Mercer County.

What area code is 08542?

Princeton uses area codes 609 and 640, from NANPA's telephone records.

What time zone is 08542 in?

08542 uses America/New_York.

How many people live in 08542?

About 2,533 people live in ZIP code 08542, in 1,264 households, at 6,562.2 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 08542?

$105,524 a year, against $103,556 across New Jersey.

What ZIP codes are near 08542?

The closest are 08541 (0.4 mi), 08544 (0.6 mi), 08540 (0.7 mi), 08528 (3.1 mi) and 08553 (3.4 mi).

Is 08542 a PO Box ZIP code?

08542 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “08542 ZIP Code — Princeton, New Jersey (Mercer County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08542

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