The size of Calwell is approximately 3.9 square kilometres. It has 26 parks covering nearly 21.3% of total area. The population of Calwell in 2011 was 5,834 people. By 2016 the population was 5,769 showing a population decline of 1.1% in the area during that time. The predominant age group in Calwell is 50-59 years. Households in Calwell are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Calwell work in a professional occupation. In 2011, 78.6% of the homes in Calwell were owner-occupied compared with 78.5% in 2016. Currently the median sales price of houses in the area is $785,000.