Koolanooka is a quiet locality in Western Australia within the Morawa local government area (postcode 6623). With a population of 22, the suburb has a mix of young professionals and families with a median age of 33. Households earn a median income of $123K per year, with an average household size of 3.5 people. The most common occupations are managers, clerical & administrative. The top ancestries reported are English, Australian, Scottish.