 In the 2001 Census , the population of the Waterfall Gully census area ( which includes the suburbs of Glen Osmond , Leawood Gardens and Mount Osmond ) was 2 @,@ 497 people , in an area of 6 @.@ 08 square kilometers . Females outnumbered males 54 @.@ 2 % to 45 @.@ 8 % , and some 21 @.@ 4 % of the population was born overseas ( see chart for a breakdown ) . There was only a slight change in the 2006 census , with the population increasing by 25 to 2 @,@ 522 . 
 In the 2001 Census , the population of the Waterfall Gully census area ( which <a href='uninflect' title='1'><mark>includes</mark></a> the suburbs of Glen Osmond , Leawood Gardens and Mount Osmond ) was 2 @,@ 497 people , in an area of 6 @.@ 08 square kilometers . Females<a href='been_done' title='2'><mark></mark></a> outnumbered males 54 @.@ 2 % to 45 @.@ 8 % , and some 21 @.@ 4 % of the population was born overseas ( see chart for a breakdown ) . <a href='dey_it' title='3'><mark>There</mark></a> was only a slight change in the 2006 census , with the population increasing by 25 to 2 @,@ 522 . 
In da 2001 Census , the population of the Waterfall Gully census area ( which include tdasuburbs of Glen Osmond , Leawood Gardens and Mount Osmond ) was 2 @,@ 497 people , in an area of 6 @.@ 08 square kilometers . Females done outnumbered males 54 @.@ 2 % to 45 @.@ 8 % , and sum 21 @.@ 4 % of thdaopulation was born overseas ( see chart for a breakdown ) . It was only a slight change in the 2006 census , with the population increasing by 25 to 2 @,@ 522 .