The size of Ardmona is approximately 39.2 square kilometres. The population of Ardmona in 2011 was 540 people. By 2016 the population was 482 showing a population decline of 10.7% in the area during that time. The predominant age group in Ardmona is 50-59 years. Households in Ardmona are primarily couples with children and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Ardmona work in a labourer occupation. In 2011, 65.4% of the homes in Ardmona were owner-occupied compared with 68.1% in 2016.