| ZIP Codes: | 45 ZIP Codes (31 Standard, 4 PO Box, 10 Unique) [See All] |
| Area Codes: | 201 / 551 / 732 / 848 / 862 / 908 / 973 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:10 PM |
| Population: | 863,415 [See All] |
| FIPS: | 34013 |
| CBSA: | New York-Newark-Jersey City, NY-NJ |
| Land Area: | 129 sq mi |
| Water Area: | 3 sq mi |
| Coordinates: | 40.7676, -74.2159 |
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863,415 residents live across 45 ZIPs covering 129 sq mi, served by 21 distinct USPS-recognized cities.
Population moved from 790,651 to 863,415 from 2014 to 2024 — a +9.2% change. 28 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 07078 (Short Hills, $250,001 median) and poorest ZIP 07114 (Newark, $36,019) are 8.8 miles apart — a 6.9× income gap across local geography.
Median home values vary 5.3× across this county — from $318,800 in 07103 (Newark) to $1,679,200 in 07078 (Short Hills).
Density varies 37× across the county — from 816 people/sq mi in 07004 (Fairfield) to 29,929 in 07107 (Newark).
Most of the decade's growth concentrated around Newark — top growth ZIPs averaged +21.8% over the past ten years ( 07108 , 07106 and 07103 ).
Educational attainment ranges from 11.7% bachelor's+ in 07114 (Newark) to 92.7% in 07078 (Short Hills) — the breadth of educational profiles across the area.
Within New Jersey, this is the #3 most populous of 21 counties and ranks #7 for median household income with the #3 fastest decade growth .
On the national stage, Essex County is the #70 most populous US county , ranks #83 for income .
Hosts 4 single-entity Unique ZIPs: 07189Bank Of America ; 07184Cenlar Bank ; 07192Wachovia Bank ; and 07195Bank Of New York .
Weighted by population, the typical household earns about $98,162 across the county — reflecting what a typical resident sees, not a simple ZIP average.
39.2% of adults age 25+ hold a bachelor's degree or higher (228,233 of 582,866 reporting).
31 Standard delivery, 4 PO Box only, 10 single-entity Unique ZIPs serve this county.
13 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
10 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 6.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 07111 | Irvington | Standard | 60,867 | $61,609 | 2.9 | 12.2% |
| 07105 | Newark | Standard | 57,093 | $59,847 | 4.8 | 11.6% |
| 07003 | Bloomfield | Standard | 53,771 | $103,663 | 5.3 | 12.9% |
| 07104 | Newark | Standard | 52,266 | $53,978 | 2.9 | 1.5% |
| 07052 | West Orange | Standard | 48,620 | $129,475 | 12.5 | 4.2% |
| 07107 | Newark | Standard | 43,293 | $51,242 | 1.4 | 14.4% |
| 07017 | East Orange | Standard | 40,910 | $58,853 | 2.3 | 15.8% |
| 07109 | Belleville | Standard | 37,984 | $90,438 | 3.3 | 5.2% |
| 07103 | Newark | Standard | 37,293 | $51,534 | 2.1 | 17.5% |
| 07106 | Newark | Standard | 36,383 | $53,440 | 1.4 | 18.4% |
| 07050 | Orange | Standard | 34,181 | $52,563 | 2.2 | 13.2% |
| 07039 | Livingston | Standard | 31,488 | $229,806 | 13.9 | 6.3% |
| 07110 | Nutley | Standard | 29,980 | $119,646 | 3.4 | 5.2% |
| 07112 | Newark | Standard | 29,456 | $58,200 | 1.5 | 13.1% |
| 07018 | East Orange | Standard | 28,924 | $62,564 | 1.7 | -1.5% |
| 07108 | Newark | Standard | 28,790 | $36,200 | 1.4 | 29.5% |
| 07042 | Montclair | Standard | 27,326 | $122,847 | 3.8 | 7.2% |
| 07006 | Caldwell | Standard | 26,654 | $149,102 | 9.5 | 5.6% |
| 07040 | Maplewood | Standard | 25,613 | $173,500 | 3.3 | 5.7% |
| 07079 | South Orange | Standard | 18,539 | $195,417 | 2.9 | 12.5% |
| 07078 | Short Hills | Standard | 14,613 | $250,001 | 7.4 | 14.7% |
| 07044 | Verona | Standard | 14,545 | $161,843 | 2.8 | 4.1% |
| 07114 | Newark | Standard | 13,670 | $36,019 | 9.2 | -5.3% |
| 07009 | Cedar Grove | Standard | 13,535 | $151,625 | 4.4 | 8.3% |
| 07043 | Montclair | Standard | 13,256 | $250,001 | 2.6 | 2.5% |
| 07102 | Newark | Standard | 12,358 | $38,864 | 1.2 | -6.5% |
| 07028 | Glen Ridge | Standard | 8,022 | $247,361 | 1.3 | 4.4% |
| 07004 | Fairfield | Standard | 7,824 | $115,980 | 9.6 | 5.5% |
| 07041 | Millburn | Standard | 7,532 | $202,750 | 3.0 | 0.9% |
| 07068 | Roseland | Standard | 6,268 | $164,458 | 3.6 | 7.4% |
| 07021 | Essex Fells | Standard | 2,361 | $250,001 | 1.4 | 11.3% |
| 07019 | East Orange | PO Box | — | — | 0.0 | — |
| 07051 | Orange | PO Box | — | — | 0.0 | — |
| 07101 | Newark | PO Box | — | — | 0.0 | — |
| 07189 | Newark | Unique | — | — | 0.0 | — |
| 07184 | Newark | Unique | — | — | 0.0 | — |
| 07192 | Newark | Unique | — | — | 0.0 | — |
| 07195 | Newark | Unique | — | — | 0.0 | — |
| 07188 | Newark | Unique | — | — | 0.0 | — |
| 07198 | Newark | Unique | — | — | 0.0 | — |
| 07199 | Newark | Unique | — | — | 0.0 | — |
| 07191 | Newark | Unique | — | — | 0.0 | — |
| 07193 | Newark | Unique | — | — | 0.0 | — |
| 07175 | Newark | Unique | — | — | 0.0 | — |
| 07007 | Caldwell | PO Box | — | — | 0.0 | — |