The following demographic statistics come from the 2006 Australian Bureau of Statistics Census data.

According to the 2006 Australian Bureau of Statistics Census, it had a population of 12,973 people.

According to the 2006 Australian Bureau of Statistics Census, Coochiemudlo had 658 people who called it home.

According to the 2011 Australian Bureau of Statistics Census of Population, there were 12,764 people usually resident in Kogarah.

According to the 2011 Australian Bureau of Statistics Census of Population, there were 11,692 residents in Penshurst.

In the 2011 Australian Bureau of Statistics Census, Woodbine had a population of 2,722 people.

According to the 2006 Australian Bureau of Statistics Census of Population, there were 12,903 residents in Miranda.

According to the 2006 Australian Bureau of Statistics Census of Population, there were 4,136 people usually resident in Monterey.

In the 2001 Australian Bureau of Statistics Census, the suburb of Narellan had a population of 3,644 people.

According to the 2011 Australian Bureau of Statistics Census the population of Matraville is 9,039: 48.3% male and 51.7% female.