DemographicsDunolly (NSW) is approximately 1.67 square kilometres. In 2016 the population of Dunolly (NSW) was 89. The population is 53% male and 47% female. On average the monthly mortgage repayments in Dunolly (NSW) are $1400 to $1799. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $150 to $199.