The size of Narrabeen is approximately 4.6 square kilometres. It has 27 parks covering nearly 10.8% of total area. The population of Narrabeen in 2011 was 7,474 people. By 2016 the population was 8,214 showing a population growth of 9.9% in the area during that time. The predominant age group in Narrabeen is 30-39 years. Households in Narrabeen are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Narrabeen work in a professional occupation. In 2011, 50.2% of the homes in Narrabeen were owner-occupied compared with 52.2% in 2016. Currently the median sales price of houses in the area is $3,850,000.