The size of Deauville is approximately 2.5 square kilometres. It has 2 parks covering nearly 22.1% of total area. The population of Deauville in 2011 was 1,930 people. By 2016 the population was 7 showing a population decline of 99.6% in the area during that time. The predominant age group in Deauville is 70-79 years. Households in Deauville are primarily childless couples and are likely to be repaying $1400 - $1799 per month on mortgage repayments. In general, people in Deauville work in a trades occupation. In 2011, 63.1% of the homes in Deauville were owner-occupied compared with 150% in 2016.