The size of Merewether is approximately 6.4 square kilometres. It has 15 parks covering nearly 38.1% of total area. The population of Merewether in 2011 was 10,468 people. By 2016 the population was 10,971 showing a population growth of 4.8% in the area during that time. The predominant age group in Merewether is 20-29 years. Households in Merewether are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Merewether work in a professional occupation. In 2011, 63.1% of the homes in Merewether were owner-occupied compared with 63.3% in 2016. Currently the median sales price of houses in the area is $1,985,500.