Objective: To estimate service demand (willingness to seek or use services) for respite care among informal, primary carers of people with a psychological disability and to describe their characteristics. Methods: Analysis of data from the household component of the 2009 Survey of Disability Ageing and Carers (n=64,213 persons). Results: In Australia in 2009, 1.0% of people aged 15 years or over (177,900 persons) provided informal, primary care to a co-resident with a psychological disability.