The size of Eltham is approximately 16.6 square kilometres. It has 35 parks covering nearly 14% of total area. The population of Eltham in 2011 was 18,162 people. By 2016 the population was 18,303 showing a population growth of 0.8% in the area during that time. The predominant age group in Eltham is 40-49 years. Households in Eltham are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Eltham work in a professional occupation. In 2011, 85.6% of the homes in Eltham were owner-occupied compared with 85.5% in 2016. Currently the median sales price of houses in the area is $1,245,000.