Woodridge is a town and rural residential estate located north of the central business district of Perth, the capital city of Western Australia, on the western side of Wanneroo Road near Guilderton. It is separated from Perth's residential area by a wide area of State Forest at Wilbinga. At the 2006 census, it had a population of 565, up from 541 at the 2001 census, and 485 at the 1996 census.