The estimated population in Campbelltown as of 2011 was 10,400 and the post code of this region is 2560.
The suburbs which are surrounded by Campbelltown are Blair Athol to the north-west, Mount Annan to the west, Ruse to the east, Glen Alpine to the south-west, Bradbury to the south-east, and Woodbine and Ambarvale to the north and south respectively.
Despite the suburb of Sydney, the climate conditions in Campbelltown are quite different from it. The suburb experiences a humid subtropical climate with warm and hot summers, and mild and cool winters. The average recorded rainfall throughout the year is nearly 830mm, in which the months from January to March receive the most.
The Register of the National Estate has been listed some of the following historical buildings in Central Campbell town: St Peter’s Church of England, Glenalvon and Stable, Richmond villa, Queen Street Group, Former Post office, Town Hall, Campbelltown Court House, Former St John’s Church and Cemetry, George and Broughton Streets.