 In the , the population of Runcorn was 14,075 (50.2% female and 49.8% male).The median age of the Runcorn population is 31 years, 6 years below the Australian median.45.4% of people living in Runcorn were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were China 9.2%, India 4.7%, New Zealand 4%, Taiwan 3.8%, Korea, Republic of 3.8%.