The size of Thagoona is approximately 13.2 square kilometres. It has 5 parks covering nearly 1.8% of total area. The population of Thagoona in 2011 was 971 people. By 2016 the population was 1,018 showing a population growth of 4.8% in the area during that time. The predominant age group in Thagoona is 50-59 years. Households in Thagoona are primarily couples with children and are likely to be repaying $1800 - $2399 per month on mortgage repayments. In general, people in Thagoona work in a trades occupation. In 2011, 88.9% of the homes in Thagoona were owner-occupied compared with 84.5% in 2016. Currently the median sales price of houses in the area is $493,500.