The size of Kogarah is approximately 2.7 square kilometres. It has 9 parks covering nearly 12.7% of total area. The population was 15,990 in 2016. The predominant age group is 30-39 years.  33.3% of people were born in Australia. The next most common countries of birth were China 11.1%, Nepal 10.2%, India 5.9%, Bangladesh 4.5% and Philippines 3.6%. Households in Kogarah are primarily couples with children and are likely to be repaying $1800- $2,399 per month on mortgage repayments. In general people in Kogarah work in a professional occupation. Currently the median sales price of houses in the area is $1,301,000, and units is $712,500.