Essex County is located in the northeastern part of the state of New Jersey. This County land area is 127 square miles and its water area covers 3.3 square miles. Average temperatures range from 24 degrees F- 86 degrees F annually. As of July 1, 2002 the population has reach to more than 798,301; 9.2 percent of New Jersey's total population. According to the 2000 Census, single family units are 115,031. Essex County is among the most diverse counties in both New Jersey and the country. The county is home to immigrants from hundreds of different nations, and American natives of all ethnic backgrounds and cultures. The county is one of the most Italian counties in America, with nearly 50% of residents in several towns of the West Essex area and in Bloomfield, Belleville, and Nutley.
The county rises from generally flat in the east to the twin ridges of the Watchung Mountains in the western half, beyond which the land lowers again into the Passaic River valley. The highest elevation is found at four areas scattered between Verona, North Caldwell and Essex Fells, all of which reach at least 660 feet (201 m) above sea level. The lowest point is sea level, at Newark Bay. Its county seat is Newark.
Essex County Neighboring areas include:
and Morris County.