DemographicsNotley Hills is approximately 11.13 square kilometres. In 2016 the population of Notley Hills was 46. The population is 61% male and 39% female. On average the monthly mortgage repayments in Notley Hills 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.