The size of Glenroy is approximately 8.9 square kilometres. It has 18 parks covering nearly 6.5% of total area. The population of Glenroy in 2011 was 19,663 people. By 2016 the population was 22,241 showing a population growth of 13.1% in the area during that time. The predominant age group in Glenroy is 30-39 years. Households in Glenroy are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Glenroy work in a professional occupation. In 2011, 65.4% of the homes in Glenroy were owner-occupied compared with 60.2% in 2016. Currently the median sales price of houses in the area is $840,000.