The size of Isaacs is approximately 3.1 square kilometres. It has 12 parks covering nearly 60.3% of total area. The population of Isaacs in 2011 was 2,352 people. By 2016 the population was 2,339 showing a population decline of 0.6% in the area during that time. The predominant age group in Isaacs is 50-59 years. Households in Isaacs are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Isaacs work in a professional occupation. In 2011, 78.1% of the homes in Isaacs were owner-occupied compared with 77.4% in 2016. Currently the median sales price of houses in the area is $1,201,000.