DemographicsMockinya is approximately 85.02 square kilometres. In 2016 the population of Mockinya was 33. The population is 44% male and 56% female. On average the monthly mortgage repayments in Mockinya are $0 to $299. The most common weekly income bracket is $1000 to $1249 per week. Weekly rents in the area are on average $0 to $74.