Coopernook is a village in mid-north New South Wales, Australia (post code 2426). It is located 24 kilometres north of Taree and 11 kilometres west of Harrington and is administered by Greater Taree City Council. At the 2011 census, Coopernook and the surrounding area had a population of 519 people. It was formerly situated on the Pacific Highway, until 22 March 2006, when the Coopernook Bypass was opened.