The size of Kallaroo is approximately 2.9 square kilometres. It has 15 parks covering nearly 17.4% of total area. The population of Kallaroo in 2011 was 5,150 people. By 2016 the population was 5,181 showing a population growth of 0.6% in the area during that time. The predominant age group in Kallaroo is 50-59 years. Households in Kallaroo are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Kallaroo work in a professional occupation. In 2011, 81.5% of the homes in Kallaroo were owner-occupied compared with 84.1% in 2016. Currently the median sales price of houses in the area is $760,000.