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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/08904

08904

ZIP 08904 is Highland Park, New Jersey, in Middlesex County; area codes 732, 848 and 908; Eastern time.

Type
Standard
Time zone
America/New_York
County
Middlesex
Population
15,121
Coordinates
40.5008, -74.4279
☼ Live from 08904 — Highland Park, NJ

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Local time: —

Where 08904 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 08904
  • 🔢 Type 08904 into a pocket calculator and turn it upside down: hOGBO — not quite a word, sorry.
  • ➕ As a number, 8,904 = 2 × 2 × 2 × 3 × 7 × 53. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001011001000
  • 🏠 Its numerical neighbours: 08903 (New Brunswick, NJ, 1 mi away) and 08906 (New Brunswick, NJ, 2 mi away).
  • 🔄 Backwards, 08904 becomes 40980, which is not a ZIP code at all.
  • 👥 23 other ZIP codes are made of exactly the same digits (00984, 04098, 08049, 08094, 09804, 09840, …). The farthest-flung twin is 09804 in APO AE, a military post office, 6,611 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther east than 89%.
  • 🎯1,272 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 08904 and you would come out at 40.50°S, 105.57°E — 822 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 16m.
  • 📏 At 1.8 square miles of land, 08904 is bigger than 11% of ZIP codes — room for about 1.4 Central Parks.
🌙 The sky over 08904 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population15,121This ZIP15,121
Households6,436This ZIP6,436
Housing units6,759This ZIP6,759
Median age35.2This ZIP35.2New Jersey40.1US 38.9
Median household income$104,694This ZIP$104,694New Jersey$103,556US $80,734
Median home value$471,700This ZIP$471,700New Jersey$454,400US $332,700
Median gross rent$1,873This ZIP$1,873New Jersey$1,720US $1,413
Bachelor's degree or higher69.8%This ZIP69.8%
Mean commute27.1 minThis ZIP27.1 min
Population density8,303.7 / sq miThis ZIP8,303.7 / sq mi

Business and tax activity

Business establishments306This ZIP306
Employees2,034This ZIP2,034
Annual payroll$99,732,000This ZIP$99,732,000
Tax returns filed7,530This ZIP7,530
Total adjusted gross income$802,581,000This ZIP$802,581,000

Land area

Land area1.82 sq miThis ZIP1.82 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 08904

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

ZIP codes near 08904

ZIPCityDistance
08903 New Brunswick, NJ 1.3 mi
08899 Edison, NJ 1.4 mi
08901 New Brunswick, NJ 1.4 mi
08906 New Brunswick, NJ 1.6 mi
08933 New Brunswick, NJ 1.6 mi
08817 Edison, NJ 2.1 mi
08875 Somerset, NJ 3.2 mi
08854 Piscataway, NJ 3.3 mi
08850 Milltown, NJ 3.6 mi
08837 Edison, NJ 4.5 mi

Find every ZIP code within 10 miles of 08904 →

Questions about this ZIP code

Where is ZIP code 08904?

08904 is in Highland Park, New Jersey, in Middlesex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.5008, -74.4279.

What county is 08904 in?

08904 lies in Middlesex County.

What area code is 08904?

Highland Park uses area codes 732, 848 and 908, from NANPA's telephone records.

What time zone is 08904 in?

08904 uses America/New_York.

How many people live in 08904?

About 15,121 people live in ZIP code 08904, in 6,436 households, at 8,303.7 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 08904?

$104,694 a year, against $103,556 across New Jersey.

What ZIP codes are near 08904?

The closest are 08903 (1.3 mi), 08899 (1.4 mi), 08901 (1.4 mi), 08906 (1.6 mi) and 08933 (1.6 mi).

Is 08904 a PO Box ZIP code?

08904 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “08904 ZIP Code — Highland Park, New Jersey (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08904

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