Chatham Township is a suburban township located in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 10,983, its highest decennial count ever and an increase of 531 (+5.1%) from the 10,452 recorded at the 2010 census, which in turn had reflected an increase of 366 (+3.6%) from the 10,086 counted at the 2000 census. The long-established hamlet of Green Village (also within Harding Township) is located in Chatham Township.
The presence of the Chatham station along the Morris and Essex Lines in neighboring Chatham Borough proved a vital role in population increases in Chatham Township, which began to be developed for residential use due to its easy commute to nearby Manhattan.
New Jersey Monthly magazine ranked Chatham Township first in the state in its 2008 rankings of the "Best Places to Live" in New Jersey.
The township has been one of th