The size of Nanango is approximately 31.2 square kilometres. The population of Nanango in 2011 was 3,795 people. By 2016 the population was 3,596 showing a population decline of 5.2% in the area during that time. The predominant age group in Nanango is 60-69 years. Households in Nanango are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Nanango work in a labourer occupation. In 2011, 63.1% of the homes in Nanango were owner-occupied compared with 60.8% in 2016. Currently the median sales price of houses in the area is $247,750.