The size of Cadgee is approximately 123.3 square kilometres. It has 1 park covering nearly 0.1% of total area. The population of Cadgee in 2011 was 532 people. By 2016 the population was 42 showing a population decline of 92.1% in the area during that time. The predominant age group in Cadgee is 40-49 years. Households in Cadgee are primarily couples with children and are likely to be repaying $600 - $799 per month on mortgage repayments. In general, people in Cadgee work in a managers occupation. In 2006, 33.1% of the homes in Cadgee were owner-occupied compared with 78% in 2011.