Median and average values may be affected by confidentiality in small areas.
Due to the small population for this area, limited information has been provided. In the 2016 Census, there were 77 people in Brentwood (SA) (SSC40157). Of these, 55.7% were male and 44.3% were female. The median age was 48 years and the average number of people per household was 2.1.