The size of Devon Park is approximately 0.4 square kilometres. It has 2 parks covering nearly 0.7% of total area. The population of Devon Park in 2011 was 903 people. By 2016 the population was 873 showing a population decline of 3.3% in the area during that time. The predominant age group in Devon Park is 20-29 years. Households in Devon Park are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Devon Park work in a professional occupation. In 2011, 43.4% of the homes in Devon Park were owner-occupied compared with 45.8% in 2016. Currently the median sales price of houses in the area is $641,250.