Middlesex
Source:
New Jersey
Middlesex is a major-metro county in New Jersey with 35 ZIP codes, 792,725 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Middlesex, NJ sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.
- Top 3%
- household income vs 3,210 US counties
- 792,725
- combined ZIP population
- 35
- USPS ZIP codes covered
- $116,303
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Middlesex lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 34023, 35 ZIPs, combined population 792,725). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 08854 (Piscataway) with 55,961 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 34023, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
35
Total ZIPs
792,725
Total Population
ZIP Codes in Middlesex
Side-by-side: Compare 08854 vs 08901 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 08854 | Piscataway | 55,961 | 1,149 |
| 08901 | New Brunswick | 55,223 | 3,343 |
| 08861 | Perth Amboy | 53,099 | 3,986 |
| 08816 | East Brunswick | 46,298 | 868 |
| 08831 | Monroe Township | 45,620 | 350 |
| 08817 | Edison | 44,621 | 1,605 |
| 08902 | North Brunswick | 41,153 | 1,168 |
| 08857 | Old Bridge | 39,898 | 632 |
| 08820 | Edison | 39,590 | 1,475 |
| 08879 | South Amboy | 23,537 | 1,260 |
| 07080 | South Plainfield | 23,377 | 1,092 |
| 07008 | Carteret | 22,844 | 1,994 |
| 08859 | Parlin | 21,526 | 1,844 |
| 08536 | Plainsboro | 20,073 | 1,061 |
| 07095 | Woodbridge | 19,844 | 1,852 |
| 08872 | Sayreville | 18,811 | 811 |
| 08830 | Iselin | 18,459 | 2,245 |
| 07067 | Colonia | 18,036 | 1,734 |
| 08852 | Monmouth Junction | 17,220 | 474 |
| 08840 | Metuchen | 16,558 | 1,985 |
| 07001 | Avenel | 16,305 | 1,672 |
| 08882 | South River | 16,008 | 2,227 |
| 08837 | Edison | 15,847 | 677 |
| 08812 | Dunellen | 14,296 | 1,049 |
| 08904 | Highland Park | 13,982 | 2,964 |
| 08846 | Middlesex | 13,635 | 1,510 |
| 08863 | Fords | 12,320 | 1,866 |
| 08824 | Kendall Park | 12,115 | 1,201 |
| 08810 | Dayton | 8,401 | 447 |
| 08850 | Milltown | 8,281 | 1,302 |
| 08884 | Spotswood | 8,257 | 1,372 |
| 07064 | Port Reading | 3,723 | 1,033 |
| 08832 | Keasbey | 2,863 | 757 |
| 07077 | Sewaren | 2,766 | 692 |
| 08828 | Helmetta | 2,178 | 1,015 |
Frequently Asked Questions
What is the population of Middlesex?
Middlesex has a total population of 792,725 across 35 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Middlesex?
Middlesex includes 35 ZIP codes: 08854, 08901, 08861, 08816, 08831, 08817, 08902, 08857, 08820, 08879, and more.