what county is east orange nj in
East Orange, New Jersey. East Orange is a city in Essex County, New Jersey, United States. As of the 2010 United States Census the city's population was 64,270, reflecting a decline of 5,554 (â8.0%) from the 69,824 counted in the 2000 Census, which had in turn declined by 3,728 (â5.1%) from the 73,552 counted in the 1990 Census.