The size of Dalkeith is approximately 3 square kilometres. It has 14 parks covering nearly 12.7% of total area. The population of Dalkeith in 2011 was 4,259 people. By 2016 the population was 4,240 showing a population decline of 0.4% in the area during that time. The predominant age group in Dalkeith is 10-19 years. Households in Dalkeith are primarily couples with children and are likely to be repaying over $4000 per month on mortgage repayments. In general, people in Dalkeith work in a professional occupation. In 2011, 78.6% of the homes in Dalkeith were owner-occupied compared with 78.4% in 2016. Currently the median sales price of houses in the area is $2,807,500.