Bloomfield is a township in Essex County, in the U.S. state of New Jersey, and an inner-ring suburb of Newark. As of the 2020 United States census, the township's population was 53,105, an increase of 5,790 (+12.2%) from the 2010 census count of 47,315, which in turn reflected a decline of 368 (-0.8%) from the 47,683 counted in the 2000 census. It is the location of the Bloomfield Green Historic District, which was added to the National Register of Historic Places in 1978.

Belleville is a township in Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 38,222. an increase of 2,296 (+6.4%) from the 2010 census count of 35,926,