DemographicsBurnside (Qld) is approximately 5.41 square kilometres. In 2016 the population of Burnside (Qld) was 2409. The population is 49% male and 51% female. On average the monthly mortgage repayments in Burnside (Qld) are $1800 to $2399. The most common weekly income bracket is $400 to $499 per week. Weekly rents in the area are on average $350 to $449.