Coopernook is a small town 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 Mid-Coast Council. At the 2021 census, Coopernook and the surrounding area had a population of 625 people, while the town itself had 430 inhabitants.[1] It was formerly situated on the Pacific Highway, until 22 March 2006, when the Coopernook Bypass was opened.[2] The old highway crossed the Lansdowne River on a narrow iron girder bridge.