DemographicsMooralla is approximately 238.65 square kilometres. In 2016 the population of Mooralla was 83. The population is 48% male and 52% female. On average the monthly mortgage repayments in Mooralla are $1000 to $1399. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $0 to $74.