Compare population, density, diversity, housing affordability and wealth indexes for different locations. List of all cities and towns in essex county essex county is one of the centrally located counties in the new york metropolitan area, located in the northeastern part of the united states state of new jersey Essex county is located in the northeastern part of the u.s State of new jersey, and is one of the centrally located counties in the new york metropolitan area. Essex county cities summary largest city newark is the largest city in essex county, with a population of 325,381. Essex, new jersey, united states, maps, list of towns and cities, street view, geographic.org
Founded in 1683, essex county is one of 21 counties in the state of new jersey Historically, essex county was one of four original counties created in east jersey The city of newark is the county seat With fips code of 13, essex county has a population of 854,917 and area of 126 square miles (326 km²).
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