The size of North Sydney is approximately 1.5 square kilometres. It has 4 parks covering nearly 8% of total area. The population of North Sydney in 2011 was 6,257 people. By 2016 the population was 7,707 showing a population growth of 23.2% in the area during that time. The predominant age group in North Sydney is 30-39 years. Households in North Sydney are primarily childless couples and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in North Sydney work in a professional occupation. In 2011, 38.3% of the homes in North Sydney were owner-occupied compared with 37.8% in 2016. Currently the median sales price of houses in the area is $1,962,000.