Werrington County is a suburb of Sydney, in the state of New South Wales, Australia. It is 50 kilometres west of the Sydney central business district, in the local government area of the City of Penrith and is part of the Greater Western Sydney region. The suburb is entirely residential with a high proportion of individual separate dwellings. Werrington County is part of the Indigenous Australian, Darug nation and is located in the Deerubbin Local Aboriginal Land Council Area.