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County ProfileNJ

Essex County

Population: 863,728 · 45 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
863,728
People
Median age
37.7
Housing
Total households
319,788
Income
Median household income
$80,789
Housing
Total housing units
336,962
Employment
Employment rate
60.6%
Education
Bachelor’s degree or higher
39.1%
Healthcare
Insured population
88.1%
County details
Local time 04:31:43(ET)
NameEssex
Total ZIP codes45total
ZIP codes (by type)
31 Standard4 PO Box10 Unique
Area code862, 973
TimezoneEastern Time (ET)
Coordinates40.7874003, -74.2462919
Land area126.1 sq miles(326.6 km²)

Map of Essex county, New Jersey with ZIP codes

Map of Essex County, New Jersey and ZIP codes

Cities and Communities in Essex County

Compare the largest cities in Essex County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Newark311,549$52,06020ZIPs
East Orange69,612$60,8303ZIPs
Short Hills14,422$250,0011ZIPs
Caldwell9,027$96,8242ZIPs
Glen Ridge7,802$250,0011ZIPs
Roseland6,299$164,4581ZIPs
Essex Fells2,244$250,0011ZIPs
Belleville1ZIPs
Bloomfield1ZIPs
Cedar Grove1ZIPs
Fairfield1ZIPs
Irvington1ZIPs
Livingston1ZIPs
Maplewood1ZIPs
Millburn1ZIPs
Montclair2ZIPs
Nutley1ZIPs
Orange2ZIPs
South Orange1ZIPs
Verona1ZIPs
West Orange1ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in Essex County

Review the most populated postal areas across Essex County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS