The size of Dulguigan is approximately 11.9 square kilometres. The population of Dulguigan in 2011 was 324 people. By 2016 the population was 121 showing a population decline of 62.7% in the area during that time. The predominant age group in Dulguigan is 50-59 years. Households in Dulguigan are primarily couples with children and are likely to be repaying not stated per month on mortgage repayments. In general, people in Dulguigan work in a trades occupation. In 2011, 79.5% of the homes in Dulguigan were owner-occupied compared with 82.2% in 2016. Currently the median sales price of houses in the area is $108,500.