DemographicsThornlie is approximately 11.59 square kilometres. In 2016 the population of Thornlie was 23153. The population is 50% male and 50% female. On average the monthly mortgage repayments in Thornlie are $1800 to $2399. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $350 to $449.
DescriptionThornlie is a large outer suburb of Perth, located 18 kilometres south-east of the city's central business district. In the 2011 Australian census the population of Thornlie was 22,965 when there were 11,557 Females and 11,408 Males living there. Thornlie is part of the City of Gosnells local government area. The Canning River runs through the northern side of Thornlie.