Blairmount is a suburb of Sydney, in the state of New South Wales, Australia 58 kilometres south-west of the Sydney central business district, in the local government area of the City of Campbelltown. It is part of the Macarthur region. Its main road is Clydesdale Drive and its other streets are named after horse breeds.

According to the 2016 census, there were 482 residents in Blairmount. In Blairmount, 62.8% of people were born in Australia. The most common other countries of birth were England 3.7%, Samoa 2.7%, New Zealand 2.5%, Fiji 2.3% and Lebanon 2.3%. 64.5% of people only spoke English at home. Other languages spoken at home included Samoan 5.0%, Arabic 4.4%, Hindi 2.9%, Spanish 2.3% and Italian 1.7%. The most common responses for religion in Blairmount were Catholic 39.5%, Anglican 16.0%, No Religion 6.9%, Islam 5.6% and Presbyterian and Reformed 3.7%.