DemographicsRocky Creek (Qld) is approximately 46.26 square kilometres. In 2016 the population of Rocky Creek (Qld) was 41. The population is 62% male and 38% female. On average the monthly mortgage repayments in Rocky Creek (Qld) are $1400 to $1799. The most common weekly income bracket is $150 to $299 per week. Weekly rents in the area are on average $0 to $74.