The size of Tootenilla is approximately 22.1 square kilometres. The population of Tootenilla in 2011 was 351 people. By 2016 the population was 13 showing a population decline of 96.3% in the area during that time. The predominant age group in Tootenilla is 30-39 years. Households in Tootenilla are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Tootenilla work in a managers occupation. In 2011, 76.6% of the homes in Tootenilla were owner-occupied compared with 175% in 2016.