In the 2011 census, Chambers Flat was 2,464 with 50.2% of the population female and 49.8% male. The median/average age of the Chambers Flat population recorded a population of 42 people years of age, 5 years above the Australian average. 75.3% of people living in Chambers Flat were born in Australia. The other top responses for country of birth were England 6%, New Zealand 4.2%, Taiwan 1.1%, Laos 1.1%, Vietnam 1%. 86.8% of people spoke only English at home; the next most common languages were 2.3% Hmong, 1.3% Vietnamese, 1.2% Mandarin, 1.1% Mon-Khmer, nec, 0.7% Khmer.