At the 2011 census, there were 22,694 people in the Singleton Council local government area, of these 51.3 per cent were male and 48.7 per cent were female.
Population growth in the Singleton Council area between the 2001 census and the was 8.12 per cent; and in the subsequent five years to the 2011 census, population growth was 3.45 per cent.