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.