DemographicsGarden Island (WA) is approximately 12.41 square kilometres. In 2016 the population of Garden Island (WA) was 720. The population is 82% male and 18% female. On average the monthly mortgage repayments in Garden Island (WA) are $0 to $299. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.
DescriptionGarden Island's postcode is 6168. Garden Island is a suburb of South Western, Western Australia and is about 34 kms south-southwest of WA's capital city of Perth. Garden Island is a slender island about 10 kilometres long and 1.5 kilometres wide, lying about 5 kilometres off the Western Australian coast, to which it is now linked by a man-made causeway.