The size of Keilor Downs is approximately 4.7 square kilometres. It has 15 parks covering nearly 18.6% of total area. The population of Keilor Downs in 2011 was 10,306 people. By 2016 the population was 10,001 showing a population decline of 3.0% in the area during that time. The predominant age group in Keilor Downs is 50-59 years. Households in Keilor Downs are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Keilor Downs work in a professional occupation. In 2011, 80.3% of the homes in Keilor Downs were owner-occupied compared with 77.9% in 2016. Currently the median sales price of houses in the area is $785,000.