The size of Henley Beach is approximately 2.7 square kilometres. It has 19 parks covering nearly 7.5% of total area. The population of Henley Beach in 2011 was 5,562 people. By 2016 the population was 5,997 showing a population growth of 7.8% in the area during that time. The predominant age group in Henley Beach is 40-49 years. Households in Henley Beach are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Henley Beach work in a professional occupation. In 2011, 66.3% of the homes in Henley Beach were owner-occupied compared with 65.7% in 2016. Currently the median sales price of houses in the area is $1,212,500.