The size of Seaton is approximately 4.6 square kilometres. It has 19 parks covering nearly 3.3% of total area. The population of Seaton in 2011 was 9,845 people. By 2016 the population was 10,358 showing a population growth of 5.2% in the area during that time. The predominant age group in Seaton is 20-29 years. Households in Seaton are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Seaton work in a professional occupation. In 2011, 59.6% of the homes in Seaton were owner-occupied compared with 59.4% in 2016. Currently the median sales price of houses in the area is $620,500.