DemographicsMontrose (Western Downs - Qld) is approximately 169.24 square kilometres. In 2016 the population of Montrose (Western Downs - Qld) was 65. The population is 48% male and 52% female. On average the monthly mortgage repayments in Montrose (Western Downs - 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 $0 to $74.