The size of Runcorn is approximately 6.5 square kilometres. It has 33 parks covering nearly 15.3% of total area. The population of Runcorn in 2011 was 14,074 people. By 2016 the population was 14,599 showing a population growth of 3.7% in the area during that time. The predominant age group in Runcorn is 20-29 years. Households in Runcorn are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Runcorn work in a professional occupation. In 2011, 61.9% of the homes in Runcorn were owner-occupied compared with 60.8% in 2016. Currently the median sales price of houses in the area is $671,000.