DemographicsBrushy Creek is approximately 90.18 square kilometres. In 2016 the population of Brushy Creek was 26. The population is 48% male and 52% female. On average the monthly mortgage repayments in Brushy Creek 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.