DemographicsLockyer (Qld) is approximately 17.9 square kilometres. In 2016 the population of Lockyer (Qld) was 95. The population is 52% male and 48% female. On average the monthly mortgage repayments in Lockyer (Qld) are $1800 to $2399. The most common weekly income bracket is $300 to $399 per week. Weekly rents in the area are on average $225 to $275.