DemographicsCoomoo Coomoo is approximately 163.55 square kilometres. In 2016 the population of Coomoo Coomoo was 8. The population is 67% male and 33% female. On average the monthly mortgage repayments in Coomoo Coomoo are $0 to $299. The most common weekly income bracket is $2000 to $2999 per week. Weekly rents in the area are on average $0 to $74.