The size of Mosman is approximately 8.5 square kilometres. It has 35 parks covering nearly 22.6% of total area. The population of Mosman in 2011 was 27,452 people. By 2016 the population was 28,491 showing a population growth of 3.8% in the area during that time. The predominant age group in Mosman is 40-49 years. Households in Mosman are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Mosman work in a professional occupation. In 2011, 63% of the homes in Mosman were owner-occupied compared with 62.8% in 2016. Currently the median sales price of houses in the area is $5,187,500.