The size of Perth is approximately 4.6 square kilometres. It has 18 parks covering nearly 13.8% of total area. The population of Perth in 2011 was 9,236 people. By 2016 the population was 11,424 showing a population growth of 23.7% in the area during that time. The predominant age group in Perth is 20-29 years. Households in Perth are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Perth work in a professional occupation. In 2011, 37.1% of the homes in Perth were owner-occupied compared with 35.1% in 2016. Currently the median sales price of houses in the area is $880,000.