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Where 07004 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 07004 into a pocket calculator and turn it upside down: hOOLO — not quite a word, sorry.
- ➕ As a number, 7,004 = 2 × 2 × 17 × 103. Its digits add up to 11, a total 714 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101101011100 - 🏠 Its numerical neighbours: 07003 (Bloomfield, NJ, 8 mi away) and 07005 (Boonton, NJ, 6 mi away).
- 🔄 Backwards, 07004 becomes 40070 — and that is a real ZIP code: Sulphur, KY, 604 miles away.
- 👥 9 other ZIP codes are made of exactly the same digits (00704, 00740, 04007, 04070, 07040, 40007, …). The farthest-flung twin is 00704 in Aguirre, PR, 1,654 miles away.
- 🧭 Farther north than 66% of all ZIP codes, and farther east than 89%.
- 🎯1,276 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 07004 and you would come out at 40.88°S, 105.70°E — 836 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
- 📏 At 10.1 square miles of land, 07004 is bigger than 27% of ZIP codes — room for about 7.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 7,824This ZIP7,824 |
|---|---|
| Households | 3,039This ZIP3,039 |
| Housing units | 3,137This ZIP3,137 |
| Median age | 49.9This ZIP49.9New Jersey40.1US 38.9 |
| Median household income | $115,980This ZIP$115,980New Jersey$103,556US $80,734 |
| Median home value | $688,500This ZIP$688,500New Jersey$454,400US $332,700 |
| Median gross rent | $2,656This ZIP$2,656New Jersey$1,720US $1,413 |
| Bachelor's degree or higher | 50.9%This ZIP50.9% |
| Mean commute | 21.5 minThis ZIP21.5 min |
| Population density | 772.7 / sq miThis ZIP772.7 / sq mi |
Business and tax activity
| Business establishments | 1,298This ZIP1,298 |
|---|---|
| Employees | 24,220This ZIP24,220 |
| Annual payroll | $1,855,389,000This ZIP$1,855,389,000 |
| Tax returns filed | 4,360This ZIP4,360 |
| Total adjusted gross income | $625,558,000This ZIP$625,558,000 |
Land area
| Land area | 10.13 sq miThis ZIP10.13 sq mi |
|---|---|
| Water area | 0.22 sq miThis ZIP0.22 sq mi |
ZIP codes near 07004
| ZIP | City | Distance |
|---|---|---|
07058 | Pine Brook, NJ | 2.2 mi |
07006 | Caldwell, NJ | 2.4 mi |
07035 | Lincoln Park, NJ | 3.1 mi |
07007 | Caldwell, NJ | 3.3 mi |
07045 | Montville, NJ | 3.6 mi |
07082 | Towaco, NJ | 3.7 mi |
07034 | Lake Hiawatha, NJ | 4.0 mi |
07021 | Essex Fells, NJ | 4.0 mi |
07068 | Roseland, NJ | 4.2 mi |
07009 | Cedar Grove, NJ | 4.3 mi |
Find every ZIP code within 10 miles of 07004 →
Questions about this ZIP code
Where is ZIP code 07004?
07004 is in Fairfield, New Jersey, in Essex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.8825, -74.3046.
What county is 07004 in?
07004 lies in Essex County.
What area code is 07004?
Fairfield uses area codes 973, 862 and 201, from NANPA's telephone records.
What time zone is 07004 in?
07004 uses America/New_York.
How many people live in 07004?
About 7,824 people live in ZIP code 07004, in 3,039 households, at 772.7 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 07004?
$115,980 a year, against $103,556 across New Jersey.
What ZIP codes are near 07004?
The closest are 07058 (2.2 mi), 07006 (2.4 mi), 07035 (3.1 mi), 07007 (3.3 mi) and 07045 (3.6 mi).
Is 07004 a PO Box ZIP code?
07004 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “07004 ZIP Code — Fairfield, New Jersey (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07004
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/07004.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.