The size of Nundle is approximately 177 square kilometres. It has 3 parks covering nearly 0.6% of total area. The population of Nundle in 2011 was 598 people. By 2016 the population was 483 showing a population decline of 19.2% in the area during that time. The predominant age group in Nundle is 60-69 years. Households in Nundle are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Nundle work in a managers occupation. In 2011, 72% of the homes in Nundle were owner-occupied compared with 79.6% in 2016. Currently the median sales price of houses in the area is $390,000.