The size of Callington is approximately 44.7 square kilometres. The population of Callington in 2011 was 408 people. By 2016 the population was 626 showing a population growth of 53.4% in the area during that time. The predominant age group in Callington is 40-49 years. Households in Callington are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Callington work in a labourer occupation. In 2011, 82.7% of the homes in Callington were owner-occupied compared with 85.4% in 2016. Currently the median sales price of houses in the area is $415,000.