The size of Middleton Beach is approximately 0.8 square kilometres. It has 2 parks covering nearly 8.2% of total area. The population of Middleton Beach in 2011 was 653 people. By 2016 the population was 711 showing a population growth of 8.9% in the area during that time. The predominant age group in Middleton Beach is 60-69 years. Households in Middleton Beach are primarily childless couples and are likely to be repaying under $300 per month on mortgage repayments. In general, people in Middleton Beach work in a professional occupation. In 2011, 60.2% of the homes in Middleton Beach were owner-occupied compared with 63.3% in 2016. Currently the median sales price of houses in the area is $615,000.