The size of Terrigal is approximately 9.1 square kilometres. It has 16 parks covering nearly 5.2% of total area. The population of Terrigal in 2011 was 10,614 people. By 2016 the population was 11,344 showing a population growth of 6.9% in the area during that time. The predominant age group in Terrigal is 50-59 years. Households in Terrigal are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Terrigal work in a professional occupation. In 2011, 70.5% of the homes in Terrigal were owner-occupied compared with 72.3% in 2016. Currently the median sales price of houses in the area is $1,450,000.