 The census area that incorporates Waterfall Gully has a larger proportion of those in both the younger ( 0 – 17 ) and older ( 60 + ) age ranges than in the City of Burnside as a whole , and there have been no " numerically significant " changes in the age distribution between the 2001 and 2006 censuses . Similarly , family numbers are also stable , with almost no change between 2001 and 2006 . 
