Essex County, New Jersey
Map
Location in the state of New Jersey
New Jersey's location in the U.S.
Statistics
Founded	March 7, 1683
Seat	Newark
Largest City	Newark (population and area)
Area  - Total  - Land  - Water	129.42 sq mi (335 km²) 126.09 sq mi (327 km²) 3.34 sq mi (9 km²), 2.6
Population  -  Density
Website: www.essex-countynj.org
Named for: Essex, England
County flag

Essex County is a county in the northeastern part of the U.S. state of New Jersey. As of 2020, 863,728 people lived there, making it the third most populous county in the state, behind Bergen County and Middlesex County, and the second most densely population county in the state after Hudson County. The seat of the county is Newark, the largest city in the state. view more...