DemographicsUpper Lockyer is approximately 15.17 square kilometres. In 2016 the population of Upper Lockyer was 538. The population is 53% male and 47% female. On average the monthly mortgage repayments in Upper Lockyer are $1800 to $2399. The most common weekly income bracket is $650 to $799 per week. Weekly rents in the area are on average $350 to $449.