The size of Dunedoo is approximately 933 square kilometres. It has 6 parks covering nearly 2.1% of total area. The population of Dunedoo in 2011 was 1,253 people. By 2016 the population was 1,206 showing a population decline of 3.8% in the area during that time. The predominant age group in Dunedoo is 70-79 years. Households in Dunedoo are primarily childless couples and are likely to be repaying $1000 - $1399 per month on mortgage repayments. In general, people in Dunedoo work in a managers occupation. In 2011, 69.5% of the homes in Dunedoo were owner-occupied compared with 70.4% in 2016. Currently the median sales price of houses in the area is $252,500.