Seahampton is located 21 kilometres west of the city of Newcastle's CBD and west of the Sydney-Newcastle Freeway. Seahampton's origins are in coal mining. Seaham No. 1 Colliery was opened here on 6 March 1890 by the Monkwearmouth Coal Company which was reformed and renamed the Seaham Coal Company Ltd. The colliery closed on 7 July 1932, during the Great Depression, and never re-opened. Seahampton’s annual capitol growth is 2.90%.