The size of Devon Hills is approximately 4.2 square kilometres. It has 1 park. The population of Devon Hills in 2011 was 477 people. By 2016 the population was 419 showing a population decline of 12.2% in the area during that time. The predominant age group in Devon Hills is 50-59 years. Households in Devon Hills are primarily childless couples and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Devon Hills work in a professional occupation. In 2011, 98% of the homes in Devon Hills were owner-occupied compared with 99.4% in 2016. Currently the median sales price of houses in the area is $515,000.