The size of Nullagine is approximately 21,881.7 square kilometres. It has 2 parks covering nearly 7.2% of total area. The population of Nullagine in 2011 was 181 people. By 2016 the population was 1,702 showing a population growth of 840.3% in the area during that time. The predominant age group in Nullagine is 30-39 years. Households in Nullagine are primarily childless couples and are likely to be repaying $950 - $1199 per month on mortgage repayments. In general, people in Nullagine work in a machinery operators and drivers occupation. In 2006, 14% of the homes in Nullagine were owner-occupied compared with 31.9% in 2011.